15x19x1 MERV 13 AC Furnace Filters 6 Pack harvest-solutions Its slim low-profile design enables

Its slim low-profile design enables the unit to fit in tight spaces

all painted matte white

C Hydroponic Nutrients there are no secrets and no guesswork is required to achieve exceptional hydroponic harvests

The Autopilot Greenhouse Master Controller (GMC) is designed to precisely control temperature

PPFD Chart at 24 inches and 30 inches

15x19x1 MERV 13 AC Furnace Filters 6 Pack harvest-solutions Its slim low-profile design enablesNordic 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