RAD64003939 Features: -Price Is For One Each -Minimum Order Of 10.-RADNOR.-UNSPC CODE: 40142300.-Adapters & Fittings. Includes: -All Radnor fittings are manufactured to CGA standards. In addition to CGA numbers, many popular fittings commonly are refered to as A-size, B-size, C-size and D-size. These letter designations are included in the product discriptions.. Specifications: -CO-5 FIBER WASHER CO2 CO-5.