Amazon.com: Foam Cannon - Heavy Duty Foam Wash Gun, Wide Neck Adjustable Car Foam Blaster for Pressure Washer with 1/4 Inch Connector, 5 Nozzles Included in The Kit(1 Liter, 1.1mm Metal Orifice) :
Amazon.com: Ontel Carwash Cannon Foam Blaster Nozzle Gun for Car, Truck, Boat & More - 5 Spray Settings, Just Spray & Rinse, No Residue or Film (Packaging May Vary) : Automotive
Chemical Guys TORQ Snubby Pressure Washer Gun - Foam Cannon Attachment | Chemical Guys
Sun Joe Foam Cannon for Electric Pressure Washers, 34 Oz., 1/4" Quick Connector, Adjustable Spray Nozzle - Walmart.com
RYOBI Pressure Washer Foam Blaster RY31F04 - The Home Depot