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Continue to ChatCAMOZZI GKF-20 - 20mm Bore, Coupling Piece, Zinc Plated Steel, For Series 16-24-25 Cylinders https://www.process-valves.com/product/camozzi-gkf-20-20mm-bore-coupling-piece-zinc-plated-steel-for-series-16-24-25-cylinders/