20x20x4 MERV 11 Pleated Air Filter 3PK - 19.5x19.5x3.625 - Actual Size 20x25x4 The dimensions of this Aprilaire

The dimensions of this Aprilaire water panel filter replacement measures approximately 11 1/2" x 14 3/4" x 1 5/8"

The Procon 104E330F11XX 1/2 inch NPT Port Bolt-on 330 GPH Brass Pump combines quality and functionality with durability for a lifetime of customer satisfaction

The initial efficiency of our MERV 8 filters is 74

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20x20x4 MERV 11 Pleated Air Filter 3PK - 19.5x19.5x3.625 - Actual Size 20x25x4 The dimensions of this Aprilaire20x20x4 MERV 11 Air Filter Box of 3 Actual Size of Filter: 19. 5 x 19. 5 x 3. 625 Air filters are ranked in a minimum efficiency rating value (MERV) system. The higher the MERV rating, the better the filter can filter out all airborne particulates. Since we are constantly trying to improve indoor air quality, it only makes sense that we would offer air conditioner filter MERV 11. 20x20x4 MERV 11 filters are right on the cusp of being classified as