HLG 225 is equivalent to 315W CMH
leaving the food grade lubricant behind
Great stability for any size plant
Floating raft system with air stone
7*23*48 inch
20x30x1 Pleated MERV 13 Air Filters 6 Pack hand-tools HLG 225 is equivalent 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