Actual filter size may differ from size shown in image.
23 x 20 x 1 basic filters in the the exact size of 23 x 20 x 1. Finding the perfect fit filter isn't always easy so we teamed up with AAF Flanders to offer the largest selection of high quality exact fit HVAC filters with a MERV 4 rating. This filter will be made to the exact dimensions of 23 x 20 x 1.
Important note: The "exact" 23 x 20 x 1 filters are custom made after an order is placed. The manufacturers label will display the smaller dimension first (20 x 23 x 1). If you are replacing an existing 23 x 20 x 1 filter that was not purchased from us please measure your existing filter prior to ordering as its actual size is likely smaller. Please review our return policy on custom/exact size filters.
EZ Flow filters by Flanders AAF. The low initial pressure drop and robust construction of this filter make it a solid choice to protect residential and light industrial equipment. It also helps keep heating and cooling coils clean, which lowers energy bills. Breathe easy knowing that AAF Flanders provides quality filters to keep your indoor air pure.
- Media: Fiberglass
- Filter frame: 1-piece heavy chipboard
- Media support: 1-sided metal retainer
- Low initial pressure drop
- Easy to install
- Lasts up to 30 Days (depends on use)
- Up to MERV 4
- UL Classified
- 12 pack (full case)
- Made to the exact size, no more confusion with filter sizes
- Manufactured in the USA by AAF Flanders
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Order today, and you'll receive your filters between and