8x28x1 Exact MERV 7 AC Furnace Filters 6 Pack bloom nutrients which modifies flow rates from

which modifies flow rates from 0-50 gallons per hour with a simple turn of the key

Can be used with pressurized

Big enough to grow a large plant for its entire life

* 18" Daisy Chain Cable

RH/Temp Smart Control

8x28x1 Exact MERV 7 AC Furnace Filters 6 Pack bloom nutrients which modifies flow rates fromNordic 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