This MTM Hydro twist seal plug is meant to convert a 14mm stem to a 15mm stem of a twist seal coupler. This is commonly used when installing MTM Hydro Spray Guns onto a Sunjoe, AR, Ryobi, or Greenworks pressure washers that require a 15mm conversion.
***Purchase with another screw coupler to properly install. Consider 24.0446, 24.0448, or 24.0456.
**Note** when installing the 15mm side into a 15mm coupler, it will be very tight but it will fit!
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