Hero image 0 of Filter King 21x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 17 x .75", 0 of 5

Filter King

Filter King 21x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 17 x .75"

Name: Filter King 21x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 17 x .75"
Brand: Filter King
SKU: 5262861963
Price: 60.52 USD
Availability: InStock
Rating: 4.8 (37 reviews)

|37 ratings

Key item features

FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 21" x 17" x 1" - Actual Size: 21" x 17" 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

Contaminants removed
Dust
Brand
Filter King
Features
Pleated
Microparticle performance rating
8
Thickness
1"
Rec. use
Residential

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About this item

Product details

Filter King Merv 8 21x17x1 4-Pack Air Filter actual size is 21x17x1.75. Our 21x17x1 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 Merv 8 filter is 21 x 17 x 1-3/4

FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 21" x 17" x 1" - Actual Size: 21" x 17" 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

Contaminants removed

Dust

Brand

Filter King

Features

Pleated

Microparticle performance rating

Warranty

Warranty information

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Customer ratings & reviews

4.8 out of 5 stars

stars37 ratings37 reviews

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Showing 1-3 of 37 reviews

Aug 6, 2025

Tri-County (.

5 out of 5 stars review

Seller Verified Purchase

Excellent product for a great

Excellent product for a great price. Received in no time, fast.

Review from filterking.com

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Nov 12, 2025

ARJUNE S.

5 out of 5 stars review

Seller Verified Purchase

Excellent service

Review from filterking.com

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Apr 6, 2025

Luis A.

5 out of 5 stars review

Seller Verified Purchase

Ac filter

Great turn around time.

Review from filterking.com

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Filter King 21x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 17 x .75"

Key item features

Specs

More seller options (1)

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Based on what customers bought

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