16_1/2x21_5/8x1 Exact MERV 13 AC Furnace Filters 6 Pack nutrients Drum Core - 304 Stainless

Drum Core - 304 Stainless Steel

pome fruit

vegetables and fruiting plants

Mix BotryStop WP with water according to label rate

and the rounded square shape makes these great for stacking large quantities

16_1/2x21_5/8x1 Exact MERV 13 AC Furnace Filters 6 Pack nutrients Drum Core - 304 StainlessNordic 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