12-Pack of 20x20x1 MERV 4 Disposable Polyester Air Filters for AC and Furnace
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Category: purolator p312

About this item
- 20X20x1 MERV 4 pinch frame panel filters
- The superior grade fiberglass media is evenly coated with a gel adhesive to prevent finer particle migration The average arrestance is 72%
- Box of 12 disposable polyester fiberglass panel filters (P312).
- Frames constructed from recycled material
- Ideal for dusty, high velocity commercial/industrial applications