Upgraded TRS21 Compressor Head Xtra Lab Stand They also trap all foreign

They also trap all foreign solid particles and bacteria down to 0

Test Equipment General Attributes Free Air Displacement @ 60 Hz

Exceptional Temperature Control & Stability

Welch fractionated oil for DuoSeal belt-driven pumps to ensure the highest vacuum performance

Upgraded TRS21 Compressor Head Xtra Lab Stand They also trap all foreignUpgraded 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.