25x25x2 Pleated MERV 7 Air Filters 3 Pack Grow1 5' Steel Stake and foliage to detect the

and foliage to detect the presence of Harpin Proteins which triggers an “early warning system"

Save money and reduce waste

these are the three you need

Can be used as a prefilter to the Stealth RO 100 or 200

25x25x2 Pleated MERV 7 Air Filters 3 Pack Grow1 5' Steel Stake and foliage to detect theNordic 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