2690/2695 Performance Maintenance Kit w/Seal Pack Back Catalog number: CTS-11380 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-10394 Pump Seal, Black Price on request CTS-0069 Tubing, Head to Tee Price on request