The Foam Cannon attaches directly to most pressure washer trigger sprayers via a ¼" quick connect. This allows Maxima Racing Oils Bio Foam; available as 700997 (or any other desired solution) to be pressure washer sprayed. The Foam Cannon rapidly mixes concentrated solutions into a foaming wash. Adjustable dials allow for precise control of foam application. - Adjustable settings for desired foam thickness and width - Easily attaches to most ¼" quick connect pressure washer trigger sprayers - Manufactured with durable polymer and brass fittings - Foam Cannon capacity 946cc. Application: 1. Fill Foam Cannon with 700997 Maxima Racing Oils Bio Foam (or desired solution)2. Connect Foam Cannon with ¼" quick connect joint to pressure washer trigger sprayer3. Use Foam Cannon dial and adjustable tip for desired foam thickness and width