New-Old-Stock from an outfitter that has closed. Improve performance in the field or for annual maintenance. Best for classic MSR WaterWorks and MiniWorks water filters. Increases performance and reliability of your MSR water filter pump. The label for part number 356007 may, or may not include both names of the pump but the contents are identical and applicable to both pumps. Kit Includes: o-rings, lubricant, inlet valve ball and foam inlet filter.

Link to original MSR Mini Works Instructions.