20x25x2 Pleated MERV 13 Air Filters 3 Pack growing-accessories ePAR Efficacy: 2

ePAR Efficacy: 2

Connect these flanges to ducting

this perfectly balanced mix can sustain a plant for a full growing season and give you tremendous results without any additional nutrients added

The SPH-1 hub uses a single RJ12 cable input jack

20x25x2 Pleated MERV 13 Air Filters 3 Pack growing-accessories ePAR Efficacy: 2Nordic 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