@GB Please select suitable adapter for your snow foam lance and high pressure washer. Optional Adapters(Please see the dimensions for reference below): A.For Karcher K-Series pressure washer; B.For AR Blue Clean / Black Decker (Russia & Europe) / Michelin / some of Interskol / Mac Allister / Makita / Bosch pressure washer; C.For Elitech/ Some of Interskol / YILI / Some of Huter / Patriot/ Daewoo/ Sune Joe / Bort pressure washer; D.For Nilfisk / STIHL / Husqvarna / Gerni pressure washer; E.For Lavor / Some of Hammer / Sterwins / Vax / Champion / Craftsman / Briggs Stratton pressure washer; F.For some of Huter / Anlu / Kolher / IPC pressure washer; G.For Nilfisk-Kew/ some of Karcher HD professional pressure washer; H.For Husky / Portland / some of Black & Decker (North America) pressure washer; I.For some of Karcher Pro HD/ HDS pressure washer (Ordinary trigger gun with standard M22-Female outlet); J.For some of Karcher Pro HD/ HDS pressure washer (Easy Force trigger gun); K.For Kranzle Water gun with thread M22-Male pressure washer; L.1/4" Quick Plug, which is a popular connector in Northen America; M.PA Quick Plug Please double check if the adapter fits for your gun/wand. If you are not sure, please send us the photo of your gun/wand, we will help with the confirmation.