11 1/4x23 1/4x1 Exact MERV 14 AC Furnace Filters 12 Pack Paleo Bloom For a flange that does

For a flange that does fit fan intake

non-irritating

BioThrive Bloom benefits all kinds of plants during flowering and fruiting phases of growth

Compatible with Gavita EL controllers

There is a 1-hour REI (Restricted Entry Interval) for this product when applied via fogging or spraying in enclosed glasshouses and greenhouses

11 1/4x23 1/4x1 Exact MERV 14 AC Furnace Filters 12 Pack Paleo Bloom For a flange that doesNordic 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.