Head Series Not Applicable Compatible with Grainger Part Number 13G706 13G707 13G708 13G709 1WD21 1WD22 1WD46 1WD48 1WD50 1WD52 1WD54 1WD55 1WD57 1WD58 1WD61 1WD63 1WD64 1WD65 1WD67 1WD68 1WD70 1WD71 1WD72 1WD73 1WD74 1WD75 1WD76 1WD78 4XA59 4XA60 4XA61 4XA62 4XA67 4XA68 Product Type Head Compatible with Manufacturer Part Number RV15A RV30A Compatible with Series Not Applicable Compatible with Brand Champion Gardner Denver