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 8-Place Rotary Bar with Clamps $1,250.00 CLICK FOR DETAILS Rotary Bar Plastic Nut (4 pack) $18.25 CLICK FOR DETAILS Discharge Tube / Tedlar Bag Adapter $18.00