Pfeiffer Vacuum Bonded Seals USIT-ring P 3529 133 A (5pk) for Manual Vent Valve is designed to be used with the following vacuum pumps: TMH 071 TMU 071 TMH 261 TMU 261
![Usit-Ring 1/2" 28,6/21,54x2,5mm | Accessories | Aggregates & Oiltanks | Aggregate | DHOLLANDIA | Tail Lift Parts all Brands Usit-Ring 1/2" 28,6/21,54x2,5mm | Accessories | Aggregates & Oiltanks | Aggregate | DHOLLANDIA | Tail Lift Parts all Brands](https://www.ehpo.de/media/image/ce/d2/d9/KM1035_18peYla7JA4nur_600x600.jpg)
Usit-Ring 1/2" 28,6/21,54x2,5mm | Accessories | Aggregates & Oiltanks | Aggregate | DHOLLANDIA | Tail Lift Parts all Brands
![Metal Rubber Hydraulic Usit Washer/ Dowty Seal/ Self-Sealing Bonded Seal Ring - China Bonded Seal, Dowty Seal | Made-in-China.com Metal Rubber Hydraulic Usit Washer/ Dowty Seal/ Self-Sealing Bonded Seal Ring - China Bonded Seal, Dowty Seal | Made-in-China.com](https://image.made-in-china.com/202f0j00TOKVwnNaQHqy/Metal-Rubber-Hydraulic-Usit-Washer-Dowty-Seal-Self-Sealing-Bonded-Seal-Ring.jpg)