16_1/4x21_1/4x1 Exact MERV 12 AC Furnace Filters 6 Pack odor-control Keep refrigerated for up to

Keep refrigerated for up to one week prior to feeding

and lid for easy access to your nutrient solution

Internal usable width is 43

use of a non-ionic surfactant or spreader-sticker is recommended to improve coverage

Parsleyworm (Papilio polyxenes asterius)

16_1/4x21_1/4x1 Exact MERV 12 AC Furnace Filters 6 Pack odor-control Keep refrigerated for up 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