12_3/4x20_3/4x1 Exact MERV 13 AC Furnace Filters 6 Pack food-&-water-storage Simply place above plant canopy

Simply place above plant canopy and replace after 30 days

giving you accurate readings and easy control without needing to directly access your dehumidifier

This nutrient line is designed to be used in potting soil

This system is known for its amazing growth rates

Why BotryStop WP

12_3/4x20_3/4x1 Exact MERV 13 AC Furnace Filters 6 Pack food-&-water-storage Simply place above plant canopyNordic 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