16x22_1/4x1 Exact MERV 14 AC Furnace Filters 6 Pack pumps-&-irrigation Dolomitic and Calcitic limestone (pH

Dolomitic and Calcitic limestone (pH adjuster)

Opens and closes in 20 seconds

These reservoirs feature (3) convenient portholes for various applications

Dimmable to 50% when using the Gavita Master Controller and E-Series Adapter

flowers and thick stems like you’ve never seen before

16x22_1/4x1 Exact MERV 14 AC Furnace Filters 6 Pack pumps-&-irrigation Dolomitic and Calcitic limestone (pHNordic 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.