17x26x1 Exact MERV 13 AC Furnace Filters 6 Pack Grow Light Ballasts 98CRI: RA90Full spectrum light outputMounting

98CRI: RA90Full spectrum light outputMounting height 6’’ above plant canopyUnique heat dissipation and waterproof designAmbient operation temperature: 14-104FCompatible with low rooms

root drench or soil treatment

If you're not using Z7 you haven't seen your plant’s real potential

88Cell depth (inches): 4

Don't wait and hope

17x26x1 Exact MERV 13 AC Furnace Filters 6 Pack Grow Light Ballasts 98CRI: RA90Full spectrum light outputMountingNordic 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