21 1/2x23x1 Exact MERV 13 AC Furnace Filters 6 Pack Plant Support the shelf has a weight

the shelf has a weight capacity of 40 lbs

shaded pole motor

(36) Non-sterile glass culture tubes in a reusable tray

It enhances the bloom stage of any plant by stimulating the natural production of ethylene

21 1/2x23x1 Exact MERV 13 AC Furnace Filters 6 Pack Plant Support the shelf has a weightNordic 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