Face Seals, 4/pk Back Catalog number: CTS-10989 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-6958 Indicator Rod Kit Price on request CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request 11-1601 Seal, GFP, High Pressure, Piston Price on request