13x21x1 Exact MERV 14 AC Furnace Filters 6 Pack nutrient-combo and connect your 1/4" OD

and connect your 1/4" OD tubing to the Circulator

Garden tip: Start with Open Sesame in the fifth or sixth week of a plant’s life

• 1 full spectrum

Good for veg bloom and provide plants with enough light from seedling to flowering

Apply at a rate as directed on the product label

13x21x1 Exact MERV 14 AC Furnace Filters 6 Pack nutrient-combo and connect your 1/4" ODNordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.