Description
increases chlorophyll and nutrient availability
One continuous and corrosion resistant helix wire is placed in the duct wall for structural support
The Cabinet Ventilation grille is a 17
allowing you to operate the ballast outside of your grow room
3 years warranty plus 30 days satisfaction or return guarantee
13x23x1 MERV 13 AC Furnace Filters 6 Pack Tubing increases chlorophyll and nutrient availabilityNordic 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