SGT Click-On Glass Indicating Oxygen Trap Back Catalog number: SGT-CO1021 Availability: In the manufacturer's stock Price on request - + Recommended OT-2-SS Trap, O2, Hi Pressure SS, 1/8in 313,51 € MT-2-SS Trap, H2O, HighPress, 1/8in 294,49 € CP7983 Viton o-rings for connecting unit 8,46 €