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Continue to ChatAVENTICS - 8661380000 - Sealing ring (SEAL RING DIN7603-A-17X21-CU &) - 10 PCS https://www.valves-direct.com/product/aventics-8661380000-sealing-ring-seal-ring-din7603-a-17x21-cu-10-pcs/
AVENTICS - 8661380000 - Sealing ring (SEAL RING DIN7603-A-17X21-CU &) - 10 PCS https://www.valves-direct.com/product/aventics-8661380000-sealing-ring-seal-ring-din7603-a-17x21-cu-10-pcs/