15x36x1 MERV 12 AC Furnace Filters 6 Pack Controller Use 1/4 teaspoon per gallon

Use 1/4 teaspoon per gallon of water

and resists water

4x4 Tent Full Cycle Grows – Ideal as a single-light solution for complete veg-to-flower cycles in standard 4x4 grow tents

Hydrofarm searched globally and went to great lengths to find a source of top-quality perlite

Blue Mamba 6 mil Nitrile XX-Large - Case of 10 boxes (100 per box)

15x36x1 MERV 12 AC Furnace Filters 6 Pack Controller Use 1/4 teaspoon per gallonNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different