30" x 10" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 29.75 X 9.75] 3-Pack 7in diameter 75"H – fits a 12"

75"H – fits a 12" X 6" duct opening

+ Product Details Perfect Fit & Easy Sizing - Designed for a 36" x 28" OR 28" x 36" duct opening (measured at the opening)

with actual outer dimensions of 28

actual front end outer dimensions are approximately 18 5/8" width X 28 5/8" height

30" x 10" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 29.75 X 9.75] 3-Pack 7in diameter 75"H – fits a 12"+ Product Details Size 30"w X 10"h pleated MERV 8 filter for HVAC return filter grille 3 Pack. Actual dimensions: 29. 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