Sapphire Plunger Back Catalog number: CTS-10323 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-3209 Syringe Seal, 250μL/2500μL Price on request CTS-11121-02 Wash Seal, 2/pk Price on request CTS-10788-5 Needle Wash Frit, 5/pk Price on request