ZHE Piston$115.00 Piston for the Zero Headspace Extractor (C-102). Viton O-Rings sold separately (ZH-116). ZHE Piston quantity Add to Quote SKU: ZH-131 Categories: Replacement Parts and Service, Zero Headspace Extractor Parts Description Description Piston for the Zero Headspace Extractor (C-102). Viton O-Rings sold separately (ZH-116). Related products CLICK FOR DETAILS Rotary Bar Clamp $71.00 CLICK FOR DETAILS Connecting Rod Bearing $18.00 CLICK FOR DETAILS 4-Place Rotary Bar With Clamps $995.00