20x32x1 Exact MERV 13 AC Furnace Filters 6 Pack Neem oil Root Cleaner kills fungus gnats

Root Cleaner kills fungus gnats and their larvae

One 3/4'' shut off valves included

These fans run quieter than the Max-Fan®

Best Value Vacs Pro series are their most impressive line of rotary vane pumps available

Incremental Dosing Control Software for fertilization injection is included

20x32x1 Exact MERV 13 AC Furnace Filters 6 Pack Neem oil Root Cleaner kills fungus gnatsNordic 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