TRS21 & BVV Butane Recovery Pump Valve Rebuild Kit Mushroom Grow Kit Co. These shelves can also fit

These shelves can also fit on either the left or right side of the bracket

Dry Scroll Pumps

providing essential carbon energy that fuels beneficial microbial activity in the root zone

Application: General and High Temperature

or even a conventional water source

TRS21 & BVV Butane Recovery Pump Valve Rebuild Kit Mushroom Grow Kit Co. These shelves can also fitThis is the complete valve rebuild kit for the cylinder head on the BVV Recovery pumps or the TRS21. This is only for 2 pistons. So if you have the BVV 4 Cylinder pump you would need two kits. These gaskets are upgraded and are compatible with butane and propane gasses, all the O ring seals in this kit are Viton