17x20x1 MERV 14 AC Furnace Filters 12 Pack Grow1 5' Steel Stake Pumps up to 1/4 inch

Pumps up to 1/4 inch solids

conductivity readings are automatically compensated for temperature changes

which cuts down on food sources for pests

15' for RAZR 2/3/4

the MINT LED 1000 features a full range of diodes creating a true full spectrum that your plants will love

17x20x1 MERV 14 AC Furnace Filters 12 Pack Grow1 5' Steel Stake Pumps up to 1/4 inchNordic 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.