Minimum quantity to be ordered of 3 pieces
favored by thousands of horticulturists
The 20 ml sachets are ideal for infrequent calibrations while for heavy-duty applications
Nordic Pure 12x12x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
12x22x1 Exact MERV 13 AC Furnace Filters 12 Pack ac-dehumidification-humidification Minimum quantity to be orderedNordic 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