8_7/8x19_1/8x1 MERV 12 AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs Outside Dimensions: 48 x 24

Outside Dimensions: 48 x 24 x 3 3/4"

Root·Juice™has to be used on earth

It is ideal for outdoor large-scale raised bed gardens in warmer climates

offering a secure fit that helps keep dust and other contaminants out

Increases resistance to environmental stress

8_7/8x19_1/8x1 MERV 12 AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs Outside Dimensions: 48 x 24Nordic 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