13x20x1 Exact MERV 13 AC Furnace Filters 6 Pack Water Filtration Think of SNS 311 as

Think of SNS 311 as immediate medicine for your plants (or a first aid kit)

T Commercial Coco is the most versatile size in the lineup

High performance(PPF:1700umol/s

Amblyseius swirskii are an excellent beneficial mite for preventative control of thrips

13x20x1 Exact MERV 13 AC Furnace Filters 6 Pack Water Filtration Think of SNS 311 asNordic 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