Supply:Bathtub pumps|Bathtub water pumps☆Fujian GlongElectric Compact hydromassage units Materials: Suction and discharge mountings in polypropilen. Motor shaft in stainless steel AISI-420. Impeller in polypropilen. Mechanical seal in graphite and steatite. Motor housing in aluminium L-2521. Windings impregnated with epoxy resin. Motor: Asynchronous, two poles. IP 55 protection. Class F insulation. Continuous operation. Built-in thermal protection.