Cartridge, Intelligent Valve Back Catalog number: CTS-A11336 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21010 Cartridge Check Valve Housing, 2/pk Price on request CTS-10757 High Pressure Seal Kit Price on request CTS-11380 2690/2695 Performance Maintenance Kit w/Seal Pack Price on request