• Proven in a wide range of wells including those that produce formation sand or frac sand on flow back
• Spin-Cleaning action works on plunger fall and upstroke
• Variable groove depth and spin turbulence increases sealing efficiency
• Hardened steel for long life
• Patented design
• Hardened solid plunger with hollow core
• Fluted shoe induces spin
• Exterior connecting holes direct turbulent gas to tubing wall

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Protected under US Patent 6,200,103. Additional US and Foreign Patents Applied For