Metering device Seal Back Catalog number: 11-3830 Availability: In the manufacturer's stock Price on request - + Recommended PL7100150 MarvelXACT PLS 100µm x 150mm Price on request CTS-21109 Capillary, 600mm x 0.17mm ID Price on request CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request