11 1/4x19 1/4x1 Exact MERV 13 AC Furnace Filters 12 Pack Environmental Controllers Ships via Overnight methods only

Ships via Overnight methods only

Minimum Order Quantity on Drop Shipments is 15 bags (half pallet)

Grower’s Choice final phase 10k-CMH finishing lamp should be used during the last week to two weeks before harvest and is specifically designed to emit photons mainly in the ultraviolet 350-425 nm wavelength

Independent illumination reduces interference from ambient light sources

Air Velocity: Max 25 mm/sec (4900 ft/min)

11 1/4x19 1/4x1 Exact MERV 13 AC Furnace Filters 12 Pack Environmental Controllers Ships via Overnight methods onlyNordic 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