Foam Cannon Connector for Karcher K Series pressure washers, fitting Karcher K1 - K7.
JPT Combo Pro Foam Cannon/Snow Lance 1.1mm Orifice Inside and Adaptor – JPT Tools
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Amazon.com: M MINGLE Foam Cannon, Replacement Parts for Karcher K2, K3, K4, K5, K6, K7 Pressure Washer, with 5 Nozzle Tips, 1/4 Inch Quick Connector : Patio, Lawn & Garden
Male Thread Adapter and 1/4" Female Fitting Foam Cannon Connector of Snow Foam Lance Pot Head Compatible with Karcher K Series K2/K3/K4/K5/K6/K7 Car High Pressure Washer Machine : Amazon.co.uk: Garden
High Pressure Cleaner Snow Foam Lance Adapters Foam Nozzle Fittings for Karcher Lavor Elitech Sterwins Vax Hammerflex AR Bosche - AliExpress
Snow Foam Lance Adaptors – Snow Foam Australia
FOAM LANCE QUICK LOCK ADAPTER KÄRCHER K2 SERIES - ChemicalGuys.eu
PHD Foam Lance Karcher K/HDS Series - PH Detailing