O-Ring, TFE Back Catalog number: CTS-1010T Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request CTS-11367 Piston, Low Pressure Price on request CTS-7162 Plunger Seal, Black Price on request