17x20x1 MERV 7 AC Furnace Filters 12 Pack ac-dehumidification-humidification It combines an Xtrasun enclosed

It combines an Xtrasun enclosed double-ended reflector with a variable-wattage Xtrasun DE ballast and a high-PAR Xtrasun DE high-pressure sodium lamp

Available in 100’ and 200’ rolls

Because of the aerated fabric bag the growth rate and dry down is enhanced greatly

and Rust Mite (Eriophyidae)

Easy installation

17x20x1 MERV 7 AC Furnace Filters 12 Pack ac-dehumidification-humidification It combines an Xtrasun enclosedNordic Pure MERV 7 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 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters