13x18x1 Exact MERV 12 AC Furnace Filters 12 Pack reflectors and grow lights Includes 8 fluorescent 6400K tubes

Includes 8 fluorescent 6400K tubes

HydroMaster HM-500 pH/EC/TDS/°F Tester (113831)

Shake or stir concentrate well before measuring and mixing

pack of 5 19

13x18x1 Exact MERV 12 AC Furnace Filters 12 Pack reflectors and grow lights Includes 8 fluorescent 6400K tubesNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different