16_1/2x22x1 Exact MERV 12 AC Furnace Filters 6 Pack spl-athena Super efficient with both 1000W

Super efficient with both 1000W sodium and halide

which turns brown or black as the larvae pupate

Makes watering easier and more efficient as the tray catches run off which can be reabsorbed

(1) 1 gallon acid tank (for pH adjuster)

16_1/2x22x1 Exact MERV 12 AC Furnace Filters 6 Pack spl-athena Super efficient with both 1000WNordic 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