Filter King 12x36x1a Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 36 x .75"
Filter King 12x36x1a Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 36 x .75"
Hero image 0 of Filter King 12x36x1a Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 36 x .75", 0 of 1
Filter King

Filter King 12x36x1a Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 36 x .75"

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Filter King 12x36x1a Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 12 x 36 x .75"
Current price is $67.80
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Arrives by Tue, May 26
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Sold and shipped by Filter King LLC
4.553516819571866 stars out of 5, based on 327 seller reviews(4.6)
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4.9 out of 5 stars
stars15 ratings15 reviews
How item rating is calculated
  1. 5 stars87% (13)
  2. 4 stars13% (2)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star0% (0)
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Showing 1-3 of 15 reviews

Mar 26, 2026
joshua b.
5 out of 5 stars review

Seller Verified Purchase

Great service

I appreciate them shipping the filters out quickly. I accidentally ordered the wrong filters and they sent me a prepaid label so I could easily send them back.

Review from filterking.com
Helpful?1JLBGGRXYLNX5215888324
Aug 5, 2025
Jena A.
5 out of 5 stars review

Seller Verified Purchase

Quick delivery

I haven't used my filters yet, but the quick delivery and ease of ordering was a big plus. Thank you for that.

Review from filterking.com
Helpful?1JLBGGRXYLNX5215888324
Nov 12, 2025
Jeremy C.
5 out of 5 stars review

Seller Verified Purchase

Great product and customer service

Great product and customer service

Review from filterking.com
Helpful?1JLBGGRXYLNX5215888324