18x18x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 3 Pack house and garden soil BioTill™ Calcium-Plus combines a specially

BioTill™ Calcium-Plus combines a specially formulated blend of calcium plus zinc and manganese to benefit the soil ecosystem

help plants get more nutrients

soilless and soil applications

Stainless steel conductivity probe with internal temperature sensor

• 50/50 Coir and Perlite

18x18x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 3 Pack house and garden soil BioTill™ Calcium-Plus combines a speciallyNordic Pure 18x18x1 MERV 8 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 material