18x36x1 MERV 7 AC Furnace Filters 6 Pack commercial-greenhouse-fixtures Easily attach the included tubing

Easily attach the included tubing to a fan for even CO2 distribution throughout your grow room

1 x Hydro-X Environment Controller

not harder—with the Zenport K118-HOE

reducing pH fluctuations in the reservoir

by reducing stress and washing off the fungus and bacteria

18x36x1 MERV 7 AC Furnace Filters 6 Pack commercial-greenhouse-fixtures Easily attach the included tubingNordic Pure MERV 7 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 and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters