18x25x1 Pleated MERV 14 Air Filters 3 Pack Chemicals Pipe Size: 2 inch NPT

Pipe Size: 2 inch NPT

The House Mix is an excellent choice for greenhouse and indoor gardeners with a set of shortened vegetative stages and was designed to optimize light deprivation greenhouse growing

• ASOV (automatic shut off valve so drain line shuts down when product line is shut down)

Made with Fuller's Earth (a clay material) and 20% Castor Oil

Special alloy steel is heat treated and tempered to produce an edge that stays sharp longer

18x25x1 Pleated MERV 14 Air Filters 3 Pack Chemicals Pipe Size: 2 inch NPTNordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.