18x24x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 6 Pack Hydro Systems With 12% available phosphorous and

With 12% available phosphorous and 20% available calcium

Super strong industrial zippers

The SolarSystem features the latest generation high efficiency LEDs as well as the most versatile control system on the market

- Multi-Purpose

SunBlaster recommends rotating your trays every few days to prevent the roots from growing into your wicking mat and making post harvest clean up a breeze

18x24x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 6 Pack Hydro Systems With 12% available phosphorous andNordic Pure Pure Carbon Pleated Odor Reduction MERV 8 Air Filters is made with a durable non woven polyester base media infused with naturally derived charcoal, created to eliminate odors in your office or home. Our pleated design provides three times as much carbon media per A C filter but maintains excellent air flow. Our Pure Carbon air filters are manufactured using a heavy duty, moisture resistant beverage board frame. There is a metal mesh