Piston, Ceramic Back Catalog number: CTS-21219 Availability: In the manufacturer's stock Price on request - + Recommended 11-4179 HPV Rotor, SIL-30AC, SIL-30ACMP Price on request CTS-10788-5 Needle Wash Frit, 5/pk Price on request CTS-11312 PEEK™ Rotor, HPV Price on request