14x18x1 Exact MERV 12 AC Furnace Filters 6 Pack Grow System/ Trays/ Reservoirs This product is designed to

This product is designed to protect against dirt

or 30 minutes

Root bound pots can be fed 1 to 6 times a day (depending on size of plant and size of container it is in)

Manufactured for continuous duty and years of trouble-free use

flicker-free performance that will be good for your plants for years to come

14x18x1 Exact MERV 12 AC Furnace Filters 6 Pack Grow System/ Trays/ Reservoirs This product is designed toNordic 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