Product Description Feature: 1 Rack frame:waterproof aluminum casting structure 2 Impeller:Injection molding PBT ,V0 degree 3 Bearing:high precision long lifespan low noise ball bearing 4 Our designer know very well the requirement in various industry,so we can customize the type you want 5 Fast response and good quality after-sale services for customers Motor Protection (Selective purchasing): 1.Automatic Restart. 2.Reverse Polarity Protected 3.Water proof for IP25, IP55 4.IC function RD ,FG and PWM control are available * Two ball bearing applying * Applying NMB ball bearing inported from Japan * Short lead time 1 Week after confirm order Packaging & Shipping FAQ Company Information Company Information