The difference between the standard and commercial carbon is the base material the carbon is made from. Standard carbon is made from a wood base and our commercial grade carbon is made from a coconut shell based carbon that has a higher sewer gas...

This mushroom vent cap installs on 3" or 4" plastic PVC or ABS vent pipes or OdorHog filters to keep rain and debris out of the pipe. Made from durable plastic, it attaches securely with three sheet metal screws for a simple, reliable installation. ...

This 55 lb bulk pack of 4mm activated carbon pellets provides efficient adsorption of odors and contaminants. The solid black pellets are easy to handle and are suitable for use in large-scale or repeated filtration applications.