TRS21 & BVV Butane Recovery Pump Valve Rebuild Kit Mushroom Grow Kit Co. just add 3 of ANY

just add 3 of ANY of our 20LB LPG tanks to your cart and enjoy the third tank free

or even a conventional water source

or 5 gallons

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

and supports higher yields

TRS21 & BVV Butane Recovery Pump Valve Rebuild Kit Mushroom Grow Kit Co. just add 3 of ANYThis 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