Cast iron material,The Spray Diaphragm Pump is constructed of high strength cast iron with a powder coat finish that resists chemical corrosion. Heat protection,The self-priming automatic pump has built-in thermal protection and offers automatic pressure protection. Supplied metal filter,The metal filter can be connected to the diaphragm pump to achieve stable performance. Fast assembly,The diaphragm pump features small size, light weight and stable performance for instant assembly. Wide application,The product is ideal for automotive marine / RV / caravan, agricultural spraying, general industry spraying equipment., Manufacturer: CCZRD