... -resistance and corrosive-resistance. STP series is preferred product for sand filter and swimming pool. Motor Air cooling motor is suitable ... ensure safety and convenience. Certificate 1,CCC Safety certificate 2,CE certificate in EU. Self-priming strong self- priming performance.(2 ... . (No plug, Europe plug, UL plug is available) swimming pool pump WUA series CE,CCC,UL,ROHS,TUV north America standard