20" x 10" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 19.75 X 9.75] 3-Pack Condensate Pump + Product Description Introducing our

+ Product Description Introducing our stainless steel drywall access door

+ Product Details Size – 18"w X 8"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 12" OR 12" x 28" duct opening (measured at the opening)

Actual Filter Size – 7 3/4"w x 25 3/4" x 1"

actual front end outer dimensions are 13" width X 13" height

20" x 10" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 19.75 X 9.75] 3-Pack Condensate Pump + Product Description Introducing our+ Product Details Size 20"w X 10"h pleated MERV 8 filter for HVAC return filter grille 3 Pack. Actual dimensions: 19. 75" X 9. 75" High Quality A uniquie combination of cotton & synthetic fibers gives you the most filtration and the least air resistance equals great air & easy airflow for your system Design The "W" shaped pleats give you more filter surface thereby capturing more dust. Our metal and paper diagonal support bars ensure the filter can