Made of durable silicone rubber
100% soluble and does not need agitation in the tank
250 Million 5 Acres Next Day
Will feed your microbes as well as your plants
Only minimal assembly is required
10x14x1 MERV 14 AC Furnace Filters 6 Pack light Made of durable silicone rubberNordic 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.