Copper bottom valve water pump check valve inner wire 1 inch DN25 one-way valve pumping self-priming pump household brass check
https://www.vogueparade.com/shopping/EN/200282142/1/1005002256128632/copper-bottom-valve-water-pump-check-valve-inner-wire-1-inch-dn25-one-way-valve-pumping-self-priming-pump-household-brass-check//