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Item #: 6S400
Inner socket system used with Harmony vacuum volume management system
Item #: 4R183
Heavy Duty mechanical vacuum pump with Vertical Shock and Torsion
Item #: 4R144
The 4R144 Harmony P2 pump is no longer available. Suggested alternatives with similar function are the 4R180 Harmony P4, 4R147 Harmony P3, or the 4R150 Harmony HD.
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