Hero image 0 of Filter King 21x23.25x1 Air Filter | 4-PACK | Carbon MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 23.25 x .75", 0 of 5

Filter King

Filter King 21x23.25x1 Air Filter | 4-PACK | Carbon MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 23.25 x .75"

Name: Filter King 21x23.25x1 Air Filter | 4-PACK | Carbon MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 23.25 x .75"
Brand: Filter King
SKU: 5394715770
Price: 75.48 USD
Availability: InStock
Rating: 5 (3 reviews)

5 stars out of 3 reviews

(5.0)|

3 ratings

Key item features

FILTER: This is a Carbon MERV 8 rated 4 pack Air Conditioner Filter | Size: 21" x 23.25" x 1" - Actual Size: 21" x 23.25" x .75"
MAX PERFORMANCE: Our filters can last up to 90 DAYS before needing replacement. We do recommend to change your home air filter every 30 - 90 days for 1 inch filters. This will help maintain the longevity of the intended application like A/C and heaters
CAPTURE MORE: Protect your home! The pleated design captures more particles and extends lifetime of the filter. Merv Filters trap airborne particles without impacting air flow. Feel the difference in 48 hours.
FAST & EASY INSTALLATION: Open, Slide and Close! A simple yet effective replacement air filter for your home.

Specs

Minimum efficiency reporting values (merv)
8
Brand
Filter King
Features
Pleated
Thickness
0.75 in
Material
Paper
Rec. use
Residential, Air Purification

Current price is $75.48

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Columbus, 43215

Arrives by Wed, Feb 11

Sold and shipped by Filter King LLC

4.545150501672241 stars out of 5, based on 299 seller reviews(4.5)

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Comparison Overview:
Product	Viewing this item Filter King 21x23.25x1 Air Filter \| 4-PACK \| Carbon MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21 x 23.25 x .75" current price $75.48 Filter King 21x23.25x1 Air Filter \| 4-PACK \| Carbon MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21 x 23.25 x .75" 5 out of 5 Stars. 3 reviews	Filter King 22x24x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21.5 x 23.5 x 1.75" current price $75.84 Filter King 22x24x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21.5 x 23.5 x 1.75" 4 out of 5 Stars. 1 reviews	Filter King 6x12.25x1 Air Filter \| 6-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 6 x 12.25 x .75" current price $75.96 Filter King 6x12.25x1 Air Filter \| 6-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 6 x 12.25 x .75"	Filter King 27x25x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 27 x 25 x .75" current price $76.08 Filter King 27x25x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 27 x 25 x .75"	Filter King 17.5x17.5x4 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 17.5 x 17.5 x 3.75" current price $73.84 Filter King 17.5x17.5x4 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 17.5 x 17.5 x 3.75"	Filter King 16.25x21.25x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 16.25 x 21.25 x 1.75" current price $70.96 Filter King 16.25x21.25x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 16.25 x 21.25 x 1.75"	Filter King 15x30x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 14.5 x 29.5 x 1.75" current price $70.96 Filter King 15x30x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 14.5 x 29.5 x 1.75"	Filter King 32.5x20x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 32.5 x 20 x .75" current price $78.48 Filter King 32.5x20x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 32.5 x 20 x .75"

Comparison Chart:
Minimum efficiency reporting values (merv)	8Filter King 21x23.25x1 Air Filter \| 4-PACK \| Carbon MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21 x 23.25 x .75"	8Filter King 22x24x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21.5 x 23.5 x 1.75"	8Filter King 6x12.25x1 Air Filter \| 6-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 6 x 12.25 x .75"	8Filter King 27x25x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 27 x 25 x .75"	8Filter King 17.5x17.5x4 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 17.5 x 17.5 x 3.75"	8Filter King 16.25x21.25x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 16.25 x 21.25 x 1.75"	8Filter King 15x30x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 14.5 x 29.5 x 1.75"	8Filter King 32.5x20x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 32.5 x 20 x .75"
Features	PleatedFilter King 21x23.25x1 Air Filter \| 4-PACK \| Carbon MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21 x 23.25 x .75"	PleatedFilter King 22x24x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21.5 x 23.5 x 1.75"	PleatedFilter King 6x12.25x1 Air Filter \| 6-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 6 x 12.25 x .75"	PleatedFilter King 27x25x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 27 x 25 x .75"	PleatedFilter King 17.5x17.5x4 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 17.5 x 17.5 x 3.75"	PleatedFilter King 16.25x21.25x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 16.25 x 21.25 x 1.75"	PleatedFilter King 15x30x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 14.5 x 29.5 x 1.75"	PleatedFilter King 32.5x20x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 32.5 x 20 x .75"
Thickness	0.75 inFilter King 21x23.25x1 Air Filter \| 4-PACK \| Carbon MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21 x 23.25 x .75"	1.75 inFilter King 22x24x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21.5 x 23.5 x 1.75"	0.75 inFilter King 6x12.25x1 Air Filter \| 6-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 6 x 12.25 x .75"	0.75 inFilter King 27x25x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 27 x 25 x .75"	4 inFilter King 17.5x17.5x4 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 17.5 x 17.5 x 3.75"	2"Filter King 16.25x21.25x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 16.25 x 21.25 x 1.75"	1.75 inFilter King 15x30x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 14.5 x 29.5 x 1.75"	1"Filter King 32.5x20x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 32.5 x 20 x .75"
Rec. use	ResidentialFilter King 21x23.25x1 Air Filter \| 4-PACK \| Carbon MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21 x 23.25 x .75"	ResidentialFilter King 22x24x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21.5 x 23.5 x 1.75"	ResidentialFilter King 6x12.25x1 Air Filter \| 6-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 6 x 12.25 x .75"	ResidentialFilter King 27x25x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 27 x 25 x .75"	ResidentialFilter King 17.5x17.5x4 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 17.5 x 17.5 x 3.75"	ResidentialFilter King 16.25x21.25x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 16.25 x 21.25 x 1.75"	ResidentialFilter King 15x30x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 14.5 x 29.5 x 1.75"	ResidentialFilter King 32.5x20x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 32.5 x 20 x .75"

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About this item

Product details

Filter King Carbon Merv 8 21x23.25x1 4-Pack Air Filter actual size is 21x23.25x.75. Our 21x23.25x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling systems. Make sure you measure your filter. The actual size of this pleated Carbon Merv 8 filter is 21 x 23-1/4 x 3/4

FILTER: This is a Carbon MERV 8 rated 4 pack Air Conditioner Filter | Size: 21" x 23.25" x 1" - Actual Size: 21" x 23.25" x .75"
MAX PERFORMANCE: Our filters can last up to 90 DAYS before needing replacement. We do recommend to change your home air filter every 30 - 90 days for 1 inch filters. This will help maintain the longevity of the intended application like A/C and heaters
CAPTURE MORE: Protect your home! The pleated design captures more particles and extends lifetime of the filter. Merv Filters trap airborne particles without impacting air flow. Feel the difference in 48 hours.
FAST & EASY INSTALLATION: Open, Slide and Close! A simple yet effective replacement air filter for your home.

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Specifications

Minimum efficiency reporting values (merv)

Brand

Filter King

Features

Pleated

Thickness

0.75 in

Warranty

Warranty information

None

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Shipping, arrives in 3+ days
Filter King 19.75x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.75 x 21 x .75" $60.08
current price $60.08
Filter King 19.75x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.75 x 21 x .75"
5 out of 5 Stars. 2 reviews
Shipping, arrives in 3+ days
Filter King 19x30x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 29.5 x .75" $55.62
current price $55.62
Filter King 19x30x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18.5 x 29.5 x .75"
3.7 out of 5 Stars. 3 reviews
Shipping, arrives in 3+ days
Filter King 35x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 35 x 24 x .75" $116.28
current price $116.28
Filter King 35x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 35 x 24 x .75"
5 out of 5 Stars. 1 reviews
Shipping, arrives in 3+ days
Filter King 17x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 17 x .75" $46.68
current price $46.68
Filter King 17x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 17 x .75"
4.7 out of 5 Stars. 15 reviews
Shipping, arrives in 3+ days
Filter King 12x16x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 15.5 x 1.75" $60.56
current price $60.56
Filter King 12x16x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 15.5 x 1.75"
5 out of 5 Stars. 3 reviews
Shipping, arrives in 3+ days
Filter King 6x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 6 x .75" $50.36
current price $50.36
Filter King 6x6x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 6 x .75"
5 out of 5 Stars. 1 reviews
Shipping, arrives in 3+ days

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Aug 29, 2025

Joy Z.

5 out of 5 stars review

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Dec 30, 2024

Richard H.

5 out of 5 stars review

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Good filters came quickly

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Jun 20, 2024

Gilbert F.

5 out of 5 stars review

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Minimum efficiency reporting values (merv)	8Filter King 21x23.25x1 Air Filter \| 4-PACK \| Carbon MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21 x 23.25 x .75"	8Filter King 22x24x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21.5 x 23.5 x 1.75"	8Filter King 6x12.25x1 Air Filter \| 6-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 6 x 12.25 x .75"	8Filter King 27x25x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 27 x 25 x .75"	8Filter King 17.5x17.5x4 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 17.5 x 17.5 x 3.75"	8Filter King 16.25x21.25x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 16.25 x 21.25 x 1.75"	8Filter King 15x30x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 14.5 x 29.5 x 1.75"	8Filter King 32.5x20x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 32.5 x 20 x .75"
Features	PleatedFilter King 21x23.25x1 Air Filter \| 4-PACK \| Carbon MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21 x 23.25 x .75"	PleatedFilter King 22x24x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21.5 x 23.5 x 1.75"	PleatedFilter King 6x12.25x1 Air Filter \| 6-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 6 x 12.25 x .75"	PleatedFilter King 27x25x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 27 x 25 x .75"	PleatedFilter King 17.5x17.5x4 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 17.5 x 17.5 x 3.75"	PleatedFilter King 16.25x21.25x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 16.25 x 21.25 x 1.75"	PleatedFilter King 15x30x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 14.5 x 29.5 x 1.75"	PleatedFilter King 32.5x20x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 32.5 x 20 x .75"
Thickness	0.75 inFilter King 21x23.25x1 Air Filter \| 4-PACK \| Carbon MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21 x 23.25 x .75"	1.75 inFilter King 22x24x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21.5 x 23.5 x 1.75"	0.75 inFilter King 6x12.25x1 Air Filter \| 6-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 6 x 12.25 x .75"	0.75 inFilter King 27x25x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 27 x 25 x .75"	4 inFilter King 17.5x17.5x4 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 17.5 x 17.5 x 3.75"	2"Filter King 16.25x21.25x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 16.25 x 21.25 x 1.75"	1.75 inFilter King 15x30x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 14.5 x 29.5 x 1.75"	1"Filter King 32.5x20x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 32.5 x 20 x .75"
Rec. use	ResidentialFilter King 21x23.25x1 Air Filter \| 4-PACK \| Carbon MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21 x 23.25 x .75"	ResidentialFilter King 22x24x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 21.5 x 23.5 x 1.75"	ResidentialFilter King 6x12.25x1 Air Filter \| 6-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 6 x 12.25 x .75"	ResidentialFilter King 27x25x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 27 x 25 x .75"	ResidentialFilter King 17.5x17.5x4 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 17.5 x 17.5 x 3.75"	ResidentialFilter King 16.25x21.25x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 16.25 x 21.25 x 1.75"	ResidentialFilter King 15x30x2 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 14.5 x 29.5 x 1.75"	ResidentialFilter King 32.5x20x1 Air Filter \| 4-PACK \| MERV 8 HVAC Pleated A/C Furnace Filters \| MADE IN USA \| Actual Size: 32.5 x 20 x .75"

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Filter King 21x23.25x1 Air Filter | 4-PACK | Carbon MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 23.25 x .75"

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Filter King 22x24x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 23.5 x 1.75" $75.84

Filter King 22x24x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 23.5 x 1.75"

Filter King 6x12.25x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 12.25 x .75" $75.96

Filter King 6x12.25x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 6 x 12.25 x .75"

Filter King 27x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 25 x .75" $76.08

Filter King 27x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 27 x 25 x .75"

Filter King 17.5x17.5x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x 3.75" $73.84

Filter King 17.5x17.5x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 17.5 x 3.75"

Filter King 19x21.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 21.5 x 1.75" $60.00

Filter King 19x21.5x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 21.5 x 1.75"

Filter King 19.25x21.25x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.25 x 21.25 x 1.75" $65.72

Filter King 19.25x21.25x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.25 x 21.25 x 1.75"

Filter King 21.5x24x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 24 x 1.75" $71.60

Filter King 21.5x24x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21.5 x 24 x 1.75"

Filter King 28x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 15 x .75" $75.72

Filter King 28x15x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 15 x .75"

Filter King 16.25x21.25x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.25 x 21.25 x 1.75" $70.96

Filter King 16.25x21.25x2 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.25 x 21.25 x 1.75"