Sun Joe Foam Cannon for SPX Series Pressure Washers — 34 oz Bottle, Adjustable Foam Control

If you own a Sun Joe SPX Series pressure washer and want a quicker, more consistent way to apply detergent, the SPX-FC34 foam cannon is built to fit and perform. It creates a dense lather that adheres to vertical and horizontal surfaces so soap has time to work on grime before rinsing. The tool is simple to attach, easy to adjust, and sized to handle multiple vehicles or a full patio without constant refills.

How does the foam cannon improve cleaning compared with a spray bottle?

Instead of manually spraying and scrubbing, the foam cannon delivers a uniform blanket of suds that clings to surfaces and helps loosen dirt. This reduces the need for aggressive brushing and can protect painted finishes by minimizing contact. It also speeds up large jobs by covering more area per pass.

• Creates thick foam that sticks to vertical surfaces for longer dwell time
• Reduces manual scrubbing and potential surface abrasion
• Covers large areas faster than handheld sprayers
• Consistent soap application for even cleaning results

Will this fit my existing Sun Joe SPX pressure washer?

The SPX-FC34 was designed to work with Sun Joe SPX Series pressure washer wands and connects via a quick-connect fitting for a secure, tool-free hookup. If you have an SPX model, the cannon snaps on directly; no additional adapters are normally required. Confirm compatibility in your pressure washer manual if you have a non-SPX or older Sun Joe model.

• Quick-connect fitting for direct attachment to SPX wands
• No tools or extra adapters needed for SPX Series models
• Engineered to withstand typical SPX operating pressures
• Check manual for non-SPX unit compatibility

How do I control foam strength and soap usage?

The unit features an adjustable dial that regulates the soap-to-water ratio so you can choose heavy foam for stubborn grime or a lighter mix for gentle rinsing. Turn the knob to increase soap for deep cleaning or reduce it for quick rinses and delicate surfaces. This flexibility helps conserve detergent and adapt to different materials.

• Adjustable knob for precise soap concentration
• Wide range from heavy foam to near-clear rinse
• Helps reduce detergent waste by matching mix to the task
• Simple twist mechanism for on-the-fly changes

What can I clean with the 34 oz foam bottle?

The generous 34 oz reservoir holds enough solution to handle cars, trucks, boats, siding, patios, and outdoor furniture without frequent refills. Its capacity is convenient for multi-vehicle sessions or thorough seasonal cleanings. The bottle is easy to fill and rinse for next use.

• 34 oz capacity reduces refill interruptions during jobs
• Suitable for vehicles, decks, driveways, and siding
• Easily rinsed and refilled between different cleaning solutions
• Ideal for larger homes, detailing, and weekend projects

Who is this for? The Sun Joe SPX-FC34 foam cannon is aimed at Sun Joe SPX pressure washer owners who want faster, more even detergent application with less physical scrubbing. It’s a practical upgrade for car enthusiasts, homeowners tackling exterior maintenance, and anyone who wants consistent, time-saving results from their SPX unit. If you need a simple, adjustable foam attachment that pairs seamlessly with your Sun Joe SPX wand, this model is a focused, reliable choice.