Amazon has the Chemical Guys EQP_310 TORQ Professional Foam Cannon for $74.99 -15% subscribe/save -25% clipped coupon = $44.99 + tax/ship if applicable. This beats the lowest price per the camels of $56.45. Just cancel your subscribe/save after it ships.
Here's a Youtube video [youtube.com]
from Chemical Guys.
Chemical Guys [chemicalguys.com]
Stand back and behold the massive suds release with the new TORQ MaxFoam 8 Foam Cannon! The new and improved Max Foam 8 TORQ Professional Foam Cannon produces 30% thicker suds, features the patent-pending threadlock seal system, and works with a wider range of pressure washer designs. The TORQ Foam Cannon Max Foam 8 cleans any vehicle with concentrated foam power. The TORQ Foam Cannon sprays thick foam that sticks to and lubricates rough dirt particles, and prevents swirls and scratches with every wipe. Thick snow foam helps remove dirt from even the smallest cracks and crevices, and is the perfect way to reduce swirl marks and maintain a flawless finish at every car wash. The TORQ Foam Cannon is built with the highest quality materials for heavy duty use with any pressure washer. Solid brass components resist corrosion and rusting that ruins cheap imitation parts, and high quality plastics reject harmful UV rays that cause cheaper units to crack and break. Upgraded internal designs make the TORQ Max Foam 8 Foam Cannon produce more soapy suds with lower-spec pressure washers down to just 800 PSI. TORQ engineers fitted every Foam Cannon with a large 32 oz. fluid tank and fully-adjustable sprayer nozzle to ensure full foam coverage on any vehicle, large or small. Poorly designed cheaper foam cannons have bare brass threads that tear up soap bottles over time. The TORQ MaxFoam 8 Foam Cannon is refined with a plastic insulation sleeve on the threads, which saves bottles from early wear and tear. The unique air-injection system combines the perfect amount of car wash shampoo, water, and oxygen to create thick soapy foam that clings to any vehicle's paintwork. Snap the new TORQ Professional Foam Cannon MaxFoam 8 onto any pressure washer, and turn a normal car wash into a fun foam bubblebath!
Note, this may not work well with low pressure electric pressure washers. They now make a version (EQP321) suitable for pressure as low as 500 PSI.