... Output: 2.8L/min Name: High-pressure Single-component injection pump,injection grouting pumpInjection pump 1 pieceMaterial Cup:1 pieceHigh pressure pipe :1 ... cracks in a direct line installed near the mouth of grouting grouting, non-tick slot, not pipe, structural non-destructive. 7, ... durable, easy to clean.. High-pressure Single-component waterproof injection pump,concrete injection grouting pump,