21_1/4x21_1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack Synthetic Pro Edition Root Pots are designed to

Root Pots are designed to allow roots to breathe

Long Life: Less frequent re-lamping reduces maintenance costs

Their powerful software enables growers to automate their setups in a simple way- just assign your existing devices (such as lamps

which is activated in several circumstances such as when the pH is below the set points in the operator-adjustable threshold of 0

Noise Value: 0dB

21_1/4x21_1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack Synthetic Pro Edition Root Pots are designed toNordic 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