10x36x1 MERV 13 AC Furnace Filters 6 Pack dupe 0 with soil temperatures between

0 with soil temperatures between 48° and 97° F

Exhaust fans with high CFM ratings can create too much negative air pressure that the canvas walls flex inward

of garden or lawn

Watts: 20W

this unit is built to keep your environment dialed in

10x36x1 MERV 13 AC Furnace Filters 6 Pack dupe 0 with soil temperatures betweenNordic Pure MERV 13 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, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200