Filter King 16.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size:: 16.5 x 21.5 x .75"
Filter King 16.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size:: 16.5 x 21.5 x .75"
Hero image 0 of Filter King 16.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size:: 16.5 x 21.5 x .75", 0 of 5
Filter King

Filter King 16.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size:: 16.5 x 21.5 x .75"

Key item features

  • Filter Specifications: This 4-pack includes MERV 8 rated air conditioner filters, each measuring 16.5" x 21.5" x 1" with an actual size of 16.5" x 21.5" x .75".
  • Extended Lifespan: Designed to last up to 90 days, these 1-inch filters are recommended for replacement every 30-90 days to maintain appliance longevity.
  • Enhanced Filtration: The pleated design effectively captures more airborne particles without impeding airflow, contributing to a noticeable difference in air quality within 48 hours.
  • Simple Installation: These replacement air filters offer a straightforward installation process, requiring only opening, sliding, and closing.
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Current price is $40.92
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  • Free 30-day returns
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Columbus, 43215
Arrives by Mon, Apr 27
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Sold and shipped by Filter King LLC
4.5510835913312695 stars out of 5, based on 323 seller reviews(4.6)
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4.7 out of 5 stars
stars21 ratings18 reviews
How item rating is calculated
  1. 5 stars86% (18)
  2. 4 stars5% (1)
  3. 3 stars5% (1)
  4. 2 stars0% (0)
  5. 1 star5% (1)
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Showing 1-3 of 18 reviews

Mar 4, 2025
Sherrie S.
5 out of 5 stars review

Seller Verified Purchase

Great customer service response

Placed two orders for filters. Did not receive either one. FedEx tracking states label created, but no info on shipping. Credit cards were charged for orders. Contacted Filter King, received immediate response and very quick delivery of bonus filters. Filter King also had best price.

Review from filterking.com
Helpful?2XE48KWI3DNT5222036448
Dec 17, 2025
Louis S.
5 out of 5 stars review

Seller Verified Purchase

Fit better than the brand

Fit better than the brand name of the unit

Review from filterking.com
Helpful?2XE48KWI3DNT5222036448
Mar 6, 2026
Arthur P.
5 out of 5 stars review

Seller Verified Purchase

Quick response quick delivery, good

Quick response quick delivery, good quality, totally satisfied

Review from filterking.com
Helpful?2XE48KWI3DNT5222036448