Grindex 35L/s 5bar submersible pump New in box. Priced to clear. Maxi SH, 4`` discharge, 37KW 65A 3phase, IP68 See pump curve, nominal 10-38 L/s at 4-12 bar. Materials: Casted parts: Aluminium Outer casing: Stainless steel Motor shaft: Stainless steel Impeller: Hard-Iron??? Diffusers: Polyurethane Date of manufacture is estimated, its approx 1 year old.