18x22x1 MERV 13 AC Furnace Filters 12 Pack microbes and a cable passthrough slot

and a cable passthrough slot in the rear

Use mild strength nutrient for delicate plants and full strength nutrient for robust plants

Elite 91 ROOTS –PROFESSIONAL PLANT ADDITIVE

Place the needle into the fluid and pull the plunger all the way back until it stops

18x22x1 MERV 13 AC Furnace Filters 12 Pack microbes and a cable passthrough slotNordic 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