The YBA-622-2 and YBA-622-2-0-25 Valve packing cartridge kits and the polycarbonate-635 Valve packing parts Kit are used for repair and replacement of the Valve packing on current vb-121, -324, and -7XXX valves and discontinued vb-111, -131, -151, -314, -334, -354, and -9XXX Valve models. made in United States. Manufactured by Schneider Electric buildings.