P/N 27-40DA 4 HP AIR DIRECT DRIVE IBC TOTE MIXERThis 4 HP air motor delivers variable speed for maximum flexibility. The mixing shaft attaches to the air motor with a clamp on coupler. This model has two 8 folding impellers which attach to the shaft with collar clamps. The impellers are designed to enter 6 tote openings and open to 8 when in operation. The expandable bracket mount fits totes between 34 and 48 wide. The shaft, coupler and folding impellers are made from 316SS for chemical