Needle Wash Frit Back Catalog number: CTS-2324 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2891 PTFE Diaphragm, 2/pk Price on request CTS-11380 2690/2695 Performance Maintenance Kit w/Seal Pack Price on request 11-4181 Seal Wash (0.0787 ID, Fixed), 2/pk Price on request