Introduction: This pump is developed and improved by laswim, who cooperates with another european company with good reputation. This new model pump can suffer from high temperature and high pressure. Features: 1. Easy to connect with pipes; 2. High efficiency and low operatiing noises; 3. Prevents pump body from over-heating; 4. Plugs are designed to be used in different countries and regions; Material: Pump housing:pp +35% fiberglass Filter basket:pp Shaft:ss316 Mechancial seal:carbon +resin-ceramics Impeller:noryl +30% fiberglass Diffuser and pump base:pp+ 35% fiberglass Bearing:from nsk, made in japan