17x20x1 MERV 8 AC Furnace Filters 6 Pack Grow1 5' Steel Stake the Suncourt Duct Muffler does

the Suncourt Duct Muffler does not restrict airflow through the ducting

Leafrollers

High-volume 400 CFM fan operation performs complete air change within 2-10 minutes in a typical room size of 10′ x 10′ x 8′ (800 cubic feet)

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Size:  3" x 3" x 3"

17x20x1 MERV 8 AC Furnace Filters 6 Pack Grow1 5' Steel Stake the Suncourt Duct Muffler doesNordic Pure MERV 8 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters