16x21_1/2x1 Exact MERV 10 AC Furnace Filters 6 Pack double-ended Keep plugs or cubes wet

Keep plugs or cubes wet after initial planting in order to prevent them from drying out

this naturally occurring bacterium goes straight to the plant's roots

They allow precise measurement of dry nutrients and supplements

Nordic Pure 14x24x1 MERV 7 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

Compact design

16x21_1/2x1 Exact MERV 10 AC Furnace Filters 6 Pack double-ended Keep plugs or cubes wetNordic Pure MERV 10 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 10 furnace filters are comparable to HVAC filters with the rating of MPR 900 1000. While different companies