20x20x1 Pleated MERV 12 Air Filters 3 Pack chillers-heaters-and-purification Add 8-12 mL KALIX Grow

Add 8-12 mL KALIX Grow A per gallon of nutrient solution during the vegetative growth phase

Dries off quickly

High quality regulator hose for use with Autopilot liquid propane CO2 generators

Light Room Grow Tents provide reliable protection with heavy duty light-proof zippers and zipper flaps

BULK (2-12-3) is a PK booster containing a blend of phosphorus

20x20x1 Pleated MERV 12 Air Filters 3 Pack chillers-heaters-and-purification Add 8-12 mL KALIX GrowNordic 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