This package includes everything needed to connect to most pressure washers:
1x Premium Foam Cannon w/Stainless 1/4" Plug
Orifice 1.1 (Recommended for Pressure washers below 2.0 GPM)
Orifice 1.25 (Recommended for Pressure washer over 2.0 GPM)
*Will work with most pressure washer hoses, however, check outlet size to obtain the proper adapter.