... 1. stainless steel 2. used for water, oil 3. delivery within 7 working ... shape, light volume, corrosion resistance, easy operation, no need installed base and convenient for handy carry.2 ... wall design. All the parts such as pump body, pump cover and impeller that contacts with the ... impeller type), between components are strong interchangeability. The pump needs a few accessories, there is a kind ...