20" x 10" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 19.75 X 9.75] 3-Pack Aluminum Adjustable Curved Blade Filter Size - 21

Filter Size - 21

Easy Installation – Quick and painless installation – Can be installed after line set is in place

+ Product Details Size – 36"w X 8"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 17" width X 17" height -

actual front end outer dimensions are approximately 22 5/8" width X 20 5/8" height -

20" x 10" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 19.75 X 9.75] 3-Pack Aluminum Adjustable Curved Blade Filter Size - 21+ 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