Smartpainter via Amazon has Dusichin SFL-001 Pressure Washer Foam Cannon on sale for $13.52. Shipping is free with prime.
Use code: XJ2VKBWA
Adjustable Foam Lance, foam cannon with 1/4" quick disconnection fitting, 33 OZ (1 litre) container bottle
Requires Pressure Washer to Have 2.0GPM & Over 1000 PSI Pressure for use
All the connectors are made of quality brass
Variable, adjustable Spray Nozzle for accurate mixing and foam generation
New Heavy Duty Design, ideal for enthusiast or professional use
This price is lower than previous FP here