LemonBest Professional Car Washing Foam Cannon Lance High Pressure Adjustable Snow Foamer Car Wash Gun With Heavy Duty Bottle 34 oz 1/4 Female inlet with 40MM Stainless Steel Extension Bar. Capacity: 1 liter container bottle, around 34oz; Disperses thick foam up to 20 FT; Please add 6 oz soap with some warm water to get the thick foam Fully Adjustable dilution with setting dial, adjustable Spray Nozzle for accurate mixing and foam generation (If you have any leakage issue, please check the O ring first. Or feel free to contact our seller customer service) Compatible connectors: Karcher,Alto,Lavor,M22,Bosch and Karcher HDS Fix Fitting (Not included). Requires Pressure Washer to Have 2.0 GPM & Over 1000 PSI Pressure for use (You will get better foam effect with 3000PSI)