Needle Seal, PEEK™ SIL-20 Back Catalog number: CTS-11315 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-3795 Sapphire Plunger w/Holder Price on request CTS-10324S Seal Pack w/Needle Price on request CTS-1010T O-Ring, TFE Price on request