20x21x1 Exact MERV 13 AC Furnace Filters 12 Pack commercial-greenhouse-fixtures Its urea free continuous use

Its urea free continuous use program couldn’t be simpler

1 lb for 4

Molt-X is not neem oil and has not fungicidal effects

3-mode adjustable reflector for optimal coverage

The Salad Box from Hydrofarm is ideal for growing a small soil-free garden of salad greens and other plants indoors or outdoors with almost zero maintenance

20x21x1 Exact MERV 13 AC Furnace Filters 12 Pack commercial-greenhouse-fixtures Its urea free continuous useNordic 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