17_1/2x23_1/2x1 MERV 13 AC Furnace Filters 6 Pack Tubing Transition: 7 ml/gallon

Transition: 7 ml/gallon

allowing flexibility to obtain perfect growth performance for each growing phase

Blue Tubing

Works with the FloraFlex® PotPro™ Platform as part of the PotPro™ 16/17mm tubing drainage system

-Requires 2 AA batteries

17_1/2x23_1/2x1 MERV 13 AC Furnace Filters 6 Pack Tubing Transition: 7 ml/gallonNordic 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