24x30x1 Pleated MERV 13 Air Filters 3 Pack Hydroponics 20Drain diameter (punched): 0

20Drain diameter (punched): 0

feedings can increase

Better canopy light penetration with diffused light

Duct Size: 4” | Dimensions: 6

TDS and Salinity and is incredibly easy to use

24x30x1 Pleated MERV 13 Air Filters 3 Pack Hydroponics 20Drain diameter (punched): 0Nordic 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