Send the following on WhatsApp
Continue to ChatJOUCOMATIC 43400121 - 50mm Bore, Rectangular Front/Rear Flange MF1 - MF2, Mountings for Series 450 Cylinders (Type PES) https://www.valves-direct.com/product/joucomatic-43400121-50mm-bore-rectangular-front-rear-flange-mf1-mf2-mountings-for-series-450-cylinders-type-pes/