22x23x1 MERV 13 AC Furnace Filters 6 Pack king shredder More leaf surface area increases

More leaf surface area increases photosynthesis

Along with optimal air to water ratios for fast

and better color rendering

Terp Gerp will not do either

Dimmer on the power supply easily adjust brightness by yourself

22x23x1 MERV 13 AC Furnace Filters 6 Pack king shredder More leaf surface area increasesNordic 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