Upgraded TRS21 Compressor Head books-&-videos creating a more stable and

creating a more stable and efficient growing environment

Whether you're recovering

The package also contains mounting screws for those who prefer a more fixed installation in smaller setups

1 x 16 ft RJ12 Cable

Per pack contains 35 tubes

Upgraded TRS21 Compressor Head books-&-videos creating a more stable andUpgraded TRS21 Compressor Head Complete, Stainless Fittings, Viton Upgrade your TRS21 by purchasing a new Compressor Head with Viton O rings for butane and propane gas compatibly and stainless steel fittings to meet FDA guidelines on handling of consumable products. This head is assembled here in the USA and is a direct replacement for any TRS21 Compressor Head.