This compact 500 GPH small submersible pump features a 1/2″ MNPT discharge that accepts 3/4″ I.D. tubing. It comes with an oil-filled motor for added protection and product life expectancy. The 3E-12N small submersible pump is manufactured with an epoxy-coated cast aluminum housing and cover plus nylon volute. It also possesses a maximum lift of 17.3′.