20x16x1 Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 19.75 X 15.75] 3-Pack 25 Feet Long + Product Details Size –

+ Product Details Size – 12" x 24" or 24" x 12" is the size for the duct opening measurement only

ISO Supply Diffusers perform efficiently with air loadings of 6 to 30 air changes per hour (based on 10 ft

Technical Specifications – Voltage: - 100-240V AC 50-60Hz

+ Product Details Size - 6"w X 4"h is the size for the duct opening measurement only

If your duct opening is 14" wide by 20" tall

20x16x1 Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 19.75 X 15.75] 3-Pack 25 Feet Long + Product Details Size –+ Product Details Size 20"w X 16"h pleated MERV 8 filter for HVAC return filter grille 3 Pack. Actual dimensions: 19. 75" X 15. 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