Filter King 16x20x4 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75"
Filter King 16x20x4 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75"
Hero image 0 of Filter King 16x20x4 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75", 0 of 6
Filter King

Filter King 16x20x4 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75"

4.7 stars out of 80 reviews
(4.7)|
80 ratings

Key item features

  • FILTER: This is a MERV 8 rated 5 pack Air Conditioner Filter | Size: 16" x 20" x 4" - Actual Size: 15.5" x 19.5" x 3.75"
  • 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.
Current price is $79.50
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Columbus, 43215
Arrives by Tue, Feb 3
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Sold and shipped by Filter King LLC
4.5426621160409555 stars out of 5, based on 293 seller reviews(4.5)
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Filter King 16x20x4 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75"
Filter King 16x20x4 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75"
current price $79.50
Filter King 16x20x4 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75"
4.7 out of 5 Stars. 80 reviews
Filter King 16x20x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75"
Filter King 16x20x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75"
current price $74.96
Filter King 16x20x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75"
4.7 out of 5 Stars. 80 reviews
Filter King 28x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 24 x .75"
Filter King 28x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 24 x .75"
current price $79.92
Filter King 28x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 24 x .75"
Filter King 12x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 21 x .75"
Filter King 12x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 21 x .75"
current price $69.32
Filter King 12x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 21 x .75"
Filter King 14x18x2 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 18 x 1.75"
Filter King 14x18x2 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 18 x 1.75"
current price $81.24
Filter King 14x18x2 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 18 x 1.75"
Filter King 16.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 24 x .75"
Filter King 16.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 24 x .75"
current price $63.08
Filter King 16.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 24 x .75"
4 out of 5 Stars. 1 reviews
Filter King 12.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 12.5 x .75"
Filter King 12.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 12.5 x .75"
current price $62.92
Filter King 12.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 12.5 x .75"
Filter King 16x18x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 18 x .75"
Filter King 16x18x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 18 x .75"
current price $82.28
Filter King 16x18x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 18 x .75"
5 out of 5 Stars. 6 reviews
Filter King 21x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 24.5 x .75"
Filter King 21x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 24.5 x .75"
current price $67.88
Filter King 21x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 24.5 x .75"
Filter King 38x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 38 x 20 x .75"
Filter King 38x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 38 x 20 x .75"
current price $80.88
Filter King 38x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 38 x 20 x .75"
Comparison Chart:
Contaminants removedDustFilter King 16x20x4 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75"DustFilter King 16x20x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75"DustFilter King 28x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 24 x .75"DustFilter King 12x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 21 x .75"DustFilter King 14x18x2 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 18 x 1.75"DustFilter King 16.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 24 x .75"DustFilter King 12.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 12.5 x .75"DustFilter King 16x18x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 18 x .75"DustFilter King 21x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 24.5 x .75"DustFilter King 38x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 38 x 20 x .75"
FeaturesPleatedFilter King 16x20x4 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75"PleatedFilter King 16x20x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75"PleatedFilter King 28x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 24 x .75"PleatedFilter King 12x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 21 x .75"PleatedFilter King 14x18x2 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 18 x 1.75"PleatedFilter King 16.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 24 x .75"PleatedFilter King 12.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 12.5 x .75"PleatedFilter King 16x18x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 18 x .75"PleatedFilter King 21x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 24.5 x .75"PleatedFilter King 38x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 38 x 20 x .75"
Thickness4 inFilter King 16x20x4 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75"3.75 inFilter King 16x20x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75"1"Filter King 28x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 24 x .75"1"Filter King 12x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 21 x .75"1.75 inFilter King 14x18x2 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 18 x 1.75"1"Filter King 16.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 24 x .75"1"Filter King 12.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 12.5 x .75"1"Filter King 16x18x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 18 x .75"1"Filter King 21x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 24.5 x .75"1"Filter King 38x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 38 x 20 x .75"
MaterialPleatedFilter King 16x20x4 Air Filter | 5-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75"PleatedFilter King 16x20x4 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x 3.75"PleatedFilter King 28x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 28 x 24 x .75"-Filter King 12x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 21 x .75"-Filter King 14x18x2 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 14 x 18 x 1.75"PleatedFilter King 16.5x24x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16.5 x 24 x .75"PleatedFilter King 12.5x12.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12.5 x 12.5 x .75"-Filter King 16x18x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 18 x .75"PleatedFilter King 21x24.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 24.5 x .75"PleatedFilter King 38x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 38 x 20 x .75"
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Customer ratings & reviews

4.7 out of 5 stars
stars80 ratings80 reviews
How item rating is calculated
  1. 5 stars80% (64)
  2. 4 stars10% (8)
  3. 3 stars9% (7)
  4. 2 stars1% (1)
  5. 1 star0% (0)
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Showing 1-3 of 80 reviews

Jul 10, 2025
Richard M.
5 out of 5 stars review

Seller Verified Purchase

Air filters

Price: Reasonably priced filters. Shipping & delivery: Ultra fast, 2 days. FedEx, not USPS Order Accuracy: Perfect Quality: Made in the USA, very good. Communication: All steps well communicated. Reachable customer service; phone number posted on their website. This company stands as a model in all facets of their operation. Keep up the great work!

Review from filterking.com
Helpful?6W33IHJPMGWZ5310575075
Jul 31, 2025
Bill R.
5 out of 5 stars review

Seller Verified Purchase

Furnace Filter

Filter King is great to work with, 5 stars for sure!

Review from filterking.com
Helpful?6W33IHJPMGWZ5310575075
Oct 26, 2025
STEVEN V.
5 out of 5 stars review

Seller Verified Purchase

Fast Delivery, Good Product!

Filters shipped to the house in two days and are of good quality!

Review from filterking.com
Helpful?6W33IHJPMGWZ5310575075