Standard application: Use 4-8 ml per gallon of water once per week or with every feeding
Nordic Pure 12x36x1 MERV 8 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer
Cuts up to 1 1/2-inch thick green wood
Apply every 7-10 days when insects are present or as needed to prevent further damage
7 gal 3 mm HGB10GAL 14"L x 12"W x 15"H 16
18x25x1 Pleated MERV 13 Air Filters 3 Pack Gardening Accessories Standard application: Use 4-8 mlNordic 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