8x18x1 Exact MERV 13 AC Furnace Filters 6 Pack Garden Accessories Head height: 15' (AAPC1010) and

Head height: 15' (AAPC1010) and 20' (AAPC1020)

then add a small amount of fertilizer solution to each container and return in 15 minutes to add the rest

quiet motor - maximum wattage and reliability

Speeds up the Phytochrome conversion

With a dual flange design

8x18x1 Exact MERV 13 AC Furnace Filters 6 Pack Garden Accessories Head height: 15' (AAPC1010) andNordic 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