Piston Plunger - Now only available in White Plastic piston plunger that hold the new style tap seal. Faucet Piston Plunger Slushie Machine Tap Piston - White Suitable for New GBG, Carpigiani and Sencotel Slushie Machines Parts:SL310001906 Product numbers: SL310001906M SL320001908 GT12N