Black Plunger Seal Back Catalog number: CTS-6613 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11425 Sapphire Plunger Price on request CTS-A11381 Needle, SS, 30μL Price on request PL7100600 MarvelXACT PLS 100µm x 600mm Price on request