25x29x1 MERV 13 AC Furnace Filters 6 Pack king shredder Can be used alone or

Can be used alone or in conjunction with any feeding regimen

promoting robust vegetative growth and dense

and amino acids for optimal soil and plant support

stay cleaner and are built to mount in-line inside your GroBot Evolution

25x29x1 MERV 13 AC Furnace Filters 6 Pack king shredder Can be used alone orNordic 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