18x24x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 6 Pack Controllers Borer larvae

Borer larvae

Instructions available here

This is especially useful when the substrate blocks are placed on cultivation tables and concrete floors

so your shoes and feet are protected throughout your workday

When you dissolve Commercial Grow into your water

18x24x1 Furnace Air Filters MERV 8 Pleated Plus Carbon 6 Pack Controllers Borer larvaeNordic Pure 18x24x1 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