Send the following on WhatsApp
Continue to ChatJOUCOMATIC 97801415 - 32mm Bore, Trinorm, Piston Seal + Cushioned, High Temperature, Spare Part Kit for Series 436/437 Cylinders https://www.valves-direct.com/product/joucomatic-97801415-32mm-bore-trinorm-piston-seal-cushioned-high-temperature-spare-part-kit-for-series-436-437-cylinders/