Miniature 90w Self Priming Domestic Shower Pressure Water Booster Stainless Pump Self Priming Automatic Shower Washing Machine Water Booster Pump Stainless Pump Auto Pressure Booster Pump For Household Cold/ Hot Water Supply Or Circulation; It Is Fixed With Automatic Switch. 250 GPH Stainless Pump Continuous Duty Motor Quiet Running Low Noise Low Energy Consumption High Efficiency And Low Cost Maintenance Materials: 1) Motor Shell: Stainlesss 2) Motor Wire: Copper 3) Pump Body:brass 4) Impeller: Brass 5) Shaft: Stainle