Chemraz O'rings for 5ml Stainless Steel Syringes Back Catalog number: SYRP-SSORK5 Manufacturer: NEW ERA PUMP SYSTEM Availability: 3 weeks Price on request - + Recommended 20915 Tub PTFE GA15x** Price on request 21017 SS 304GAUGE 17 Price on request 90670 TUB PTFE 1xLUER F GA20X** Price on request