12x12x1 Pleated MERV 13 Air Filters 24 Pack Master Controller Directions: Add small amounts (0

Directions: Add small amounts (0

These SunBlaster CFL self ballasted lamps are excellent for a variety of indoor growing applications

An easy-to-fill reservoir system delivers water and nutrients from below

Sending / Receiving Capacity - 300pcs / 200pcs

Zenport Zen-Tek Instruments ammonia filled 0-160 psi pressure gauge is designed to measure pressures in systems charged with NH3 Ammonia

12x12x1 Pleated MERV 13 Air Filters 24 Pack Master Controller Directions: Add small amounts (0Nordic 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