18x24x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 1 Pack spl_centurionpro Burning Position - HOR±15°

Burning Position - HOR±15°

You can daisy-chain up to 4 of these units to the MTMDU unit to maximize your seed starting area

How to Use:

All four outlets feature heavy duty protective covers that prevent atmospheric moisture from entering the device

Chlor a’ Clean helps sustain a rich growing environment for plants by neutralizing the buildup of Chloramine and Chlorine

18x24x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 1 Pack spl_centurionpro Burning Position - HOR±15°Nordic Pure 18x24x4 MERV 10 Pleated Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer. This results in less flow restriction and 33% more surface area for cleaner smelling air. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon