14x22x1 Exact MERV 13 AC Furnace Filters 6 Pack Garden Accessories and can be added to

and can be added to extend the lengthin 4-foot or 8-foot increments

It will help protect beneficial bacteria to invigorate organic compost

Output power can be fine-tuned from 600W up to 1150W in 1% increments

GL240 & GL290)

This scale displays weight in grams

14x22x1 Exact MERV 13 AC Furnace Filters 6 Pack Garden Accessories and can be added toNordic 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