11 1/4x23 1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack Ventilation Food-Safe & Non-Toxic – Integra

Food-Safe & Non-Toxic – Integra Boost packs are made with food-safe materials

this bag does nothing short of that

Tundra™ can be used with beneficial soil microbes and other biostimulants and is compatible with all media types

non-toxic materials and are safe for use in direct contact with consumable herbs

water-soluble fertilizer for lush

11 1/4x23 1/4x1 Exact MERV 13 AC Furnace Filters 6 Pack Ventilation Food-Safe & Non-Toxic – IntegraNordic 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