... submersible sewage pump Models: V180F, V250F, V450F &V750F certiicates: CE, TUV, EPA, SGS material: SS, plastic model V(WQ) submersible sewage pump ... Function and FeatureModel V(WQ) submersible sewage pump series, a branch of single-phase ... , thus guarantee the seaurity and reliability of pump under atrocious environment. Condition of Usage1. The ...