21 1/2x24x1 Exact MERV 13 AC Furnace Filters 6 Pack organic Works as part of the

Works as part of the FloraFlex® PotPro™ 16/17mm tubing drainage system

Peppermint

The strong elastic closure at the top secures the shoe cover in place tightly

and MULTIFAN S5 and S7 contains two fans

keeping your entire plant's root system much cooler

21 1/2x24x1 Exact MERV 13 AC Furnace Filters 6 Pack organic Works as part of theNordic 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