20" x 30" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 19.75 X 29.75] 3-Pack w16h16 Say goodbye to pest-related worries

Say goodbye to pest-related worries as the built-in back 1/2" mesh acts as a barrier against unwanted rodents like mice

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 34" or 34" x 12" duct opening (measured at the opening)

And The Cooler Air From Outside WIll Flow In From The Bottom

+ Product Details Size – 16" x 30" or 30" x 16" is the size for the duct opening measurement only

+ Product Details Size - 30"w X 8"h X 2"d (for duct opening measurement only)

20" x 30" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 19.75 X 29.75] 3-Pack w16h16 Say goodbye to pest-related worries+ Product Details Size 20"w X 30"h pleated MERV 8 filter for HVAC return filter grille 3 Pack. Actual dimensions: 19. 75" X 29. 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