The 7 Best Foam Cannons For Gas Pressure Washer

Photo of author

By Kirsi Jansa

A foam cannon for a gas pressure washer significantly enhances the cleaning process by applying thick soap foam to the surface. This foam helps to loosen dirt, grime, and other contaminants more effectively than water alone. By attaching to a gas pressure washer, the foam cannon allows for a more efficient and quicker cleaning experience.

Foam cannons can be highly versatile, finding applications ranging from car washing to outdoor furniture cleaning. They’re especially useful for pre-soaking surfaces to lift dirt, whether on a vehicle, house siding, boat, or agricultural equipment. This tool enhances the efficiency and effectiveness of a gas pressure washer, making various cleaning tasks quicker and more thorough.

There are plenty of options available for a foam cannon; selecting the right one can be a challenge if you don’t know which is the right one for you. This guide reviews the 7 best foam cannons for a gas pressure washer. It also includes a buying guide and a FAQ section to help you purchase the right foam cannon for your needs.

7 Best Foam Cannons for a Gas Pressure Washer

Tool Daily Foam Cannon For Pressure Washers

Tool Daily Foam Cannon For Pressure Washers

The Tool Daily Foam Cannon with a 1/4 Inch Quick Connector offers a versatile and efficient solution for various cleaning tasks. With a pressure range of 1000 to 3000 PSI, it fits nearly all pressure washers, making it a universal accessory.

The easy installation process involves filling the 1-liter bottle with soap and warm water, connecting the quick connector to the pressure washer gun or wand, and adjusting the top knob for the desired foam level. This customization allows for precise control over the foam amount and spray pattern.

The product comes with an impressive set of five different nozzle tips, each with varying angles, from 0 to 65 degrees. This feature enables various applications, from washing cars and motorcycles to cleaning roofs, driveways, and sidings.

These nozzles can also be attached to a Quick-Connect Wand for even faster application. Whether it’s detailing trucks, SUVs, or taking care of household cleaning, this foam cannon proves to be an indispensable tool.

However, the product has a drawback worth noting. Its 1-liter bottle capacity may be limiting for larger projects, requiring frequent refills that can disrupt the cleaning process. Nonetheless, its easy-to-use interface, customizable settings, and various applications make it a valuable addition to any cleaning arsenal.

Westinghouse Foam Cannon for Pressure Washers

Westinghouse Foam Cannon for Pressure Washers

The Westinghouse foam lance attachment takes cleaning to a professional level, transforming cleaning concentrate into a thick lather of snow foam. Designed to provide even and comprehensive coverage, it serves as an ideal first step in auto detailing or any cleaning job.

The foam cannon is rated for up to 3600 PSI and features a 1/4″ female quick connect, making it universally compatible with most pressure washers. Simply fill the soap tank with the preferred cleaning solution, and it does the rest, emitting a powerful and consistent foam.

Ease of use is another standout feature. The attachment allows easy adjustments to both suds and spray concentration, ensuring maximum cleaning efficiency. This universal foam lance is suitable for a myriad of cleaning tasks, be it commercial or personal. It works seamlessly for cleaning cars, windows, fences, furniture, and awnings. The quick connect fitting adds convenience by enabling fast swapping of attachments, accommodating different cleaning needs with little effort.

However, a potential drawback is not explicitly addressed: the durability of the soap tank reservoir and other components when used with harsh cleaning chemicals. The long-term compatibility with various cleaning solutions could be a concern for a product aimed at both commercial and personal use and expected to withstand high pressure.

Nonetheless, the Westinghouse foam lance offers professional-grade cleaning with an effective and user-friendly design.

DUSICHIN SFL-001 Foam Cannon for Pressure Washers

DUSICHIN SFL-001 Foam Cannon for Pressure Washers

The DUSICHIN foam cannon features a 1/4″ quick disconnection fitting and a 33 OZ (1-litre) container bottle. Designed for enthusiasts and professionals alike, the foam cannon is built to last with a heavy-duty design that incorporates quality materials like plastic, stainless steel, and brass. Compatibility is also a strong suit; the foam lance requires a pressure washer with a flow rate of at least 1.2 GPM and pressure above 1000 PSI, accommodating a wide range of machines.

The foam cannon excels in its customization features. All connectors are made of quality brass, and the variable, adjustable spray nozzle allows for precise mixing and foam generation. With a maximum flow rate of 5.3 GPM and a maximum pressure of up to 3000 PSI, it offers enough flexibility to tackle various cleaning tasks effectively.

However, one drawback could be its specific operational requirements. While it is versatile in many ways, the foam cannon mandates a pressure washer with a minimum flow rate of 1.2 GPM and a pressure above 1000 PSI.

This condition may limit its usability for those who have lower-end pressure washers. Despite this limitation, the foam cannon’s durable design and flexible features make it a valuable tool for casual and professional cleaning applications.

Foam King™ Foam Cannon Sprayer

Foam King™ Foam Cannon Sprayer

The Foam King™ Foam Cannon Sprayer is designed for high-quality car wash cleaning and is compatible with gas and electric pressure washers. One of its standout features is its advanced foaming technology, which provides a powerful, scratch-free wash that is safe for wax and sealants. Unlike traditional towel wash methods that risk scratching the vehicle, this foam cannon creates a rich cleansing foam that effectively removes dirt and grime, ensuring a flawless finish.

In terms of design, the Foam King offers an extra-wide bottle neck, simplifying the soap and water filling process and minimizing wear and tear, addressing the issue of cracked bottlenecks common in other foam cannons.

This feature and the durable thread lock design ensure an airtight connection for optimized foaming action. The unit is highly versatile, with a broad range of compatible pressure settings, from 500 to 4200 PSI, and a flow rate between 1.3 to 5.3 GPM. Moreover, it allows adjustable air intake and a variable vertical spray pattern for customizing the foam output.

However, a drawback worth mentioning is that the Snubster attachment, which could enhance the foam cannon’s performance, is not included and must be purchased separately. This could increase the overall cost for those seeking a more comprehensive cleaning solution.

Nevertheless, with its advanced technology, durability, and versatility, the Foam King™ Foam Cannon Sprayer makes an excellent investment for professional car detailing and personal use.

Bravex Foam Cannon for Pressure Washers

Bravex Foam Cannon for Pressure Washers

The Bravex Foam Cannon boasts a robust construction and a high degree of versatility, making it a valuable addition to any pressure-washing arsenal. One of the standout features is the heavy-duty brass core coupled with wall engineering plastic, ensuring durability and a leak-free experience even under high pressure.

This foam cannon is particularly effective in producing thick snow foam capable of removing even the most stubborn dirt and mud, a feature further enhanced by the five nozzles included in the kit.

Designed with practicality in mind, the Bravex Foam Cannon features an extra-wide bottle that helps distribute pressure uniformly, thereby minimizing the risk of neck cracks—a common issue in other foam cannon models. Moreover, the spray nozzle is adjustable, rotating 180° to offer flexibility in washing hard-to-reach areas.

The foam cannon’s compatibility with a wide range of operating pressures (725-4,000 PSI) and water flows (2-5.3 GPM) makes it an ideal tool for various applications, including cleaning vehicles, motorcycles, floors, and watering plants.

However, one drawback to consider is the unit’s max temperature restriction of 60℃ (140℉), which may limit its usability in certain high-temperature cleaning applications. Despite this, with its durability, excellent foaming performance, and backed by a 90-day money-back guarantee, the Bravex Foam Cannon emerges as a solid choice for both professionals and home users alike.

AstroAI Foam Cannon for Gas Pressure Washers

AstroAI Foam Cannon for Gas Pressure Washers

The AstroAI Foam Cannon is a heavy-duty car foam blaster that makes cleaning a breeze. With an extra-wide neck, filling the 1-liter bottle with soap liquid is simple and efficient, eliminating wasteful spills.

The robust foam core ensures the generation of dense and thick foam for optimum cleaning. Furthermore, the adjustable nozzle provides excellent versatility, allowing users to modify the foam thickness and spray pattern. The nozzle holder’s 360-degree rotation is a bonus feature that enhances control over the direction of foam dispersion.

Built with a human-centered design, this foam cannon incorporates an upgraded filter block to shield against potential damage from foam or water particles. The 1/4” quick connector securely attains most pressure washer guns.

This multi-purpose tool is perfect for various cleaning tasks, from washing cars, bikes, and motorcycles to cleaning floors, windows, driveways, roofs, and siding. Its 1000-3000 PSI pressure range makes it compatible with most pressure washers, providing a comprehensive cleaning solution.

GDHXW X-887 High Pressure Washer Gun with Foam Cannon

GDHXW X-887 High Pressure Washer Gun with Foam Cannon

The GDHXW X-887 High Pressure Washer Gun with Foam Cannon is a versatile tool for various cleaning tasks. With a maximum pressure of 5000 PSI, this unit is built to handle even the toughest grime and dirt.

The new handle structure is designed to alleviate arm strain during use, making it a comfortable choice for short and extended cleaning sessions. The foam lance core is quality brass and offers a solid build. Two adjustment options enable users to customize the foam dispensing amount and spray pattern, ranging from wide to narrow, thus tailoring the tool for various cleaning requirements.

This product stands out for its compatibility, offering two pressure washer hose adapters that cover most connection needs. It’s also furnished with seven different nozzle angles, making it versatile for various tasks, including car washing, floor and window cleaning, and garden maintenance. This feature-rich design makes it ideal for both professional and enthusiast use.

Please note that the gun and foam cannon are designed exclusively for pressure washer use and cannot be connected to a garden hose or standard water pipe.

Buying Guide: Features to Consider Before Buying a Foam Cannon for your Pressure Washer

Material Quality

Consider the materials used in the foam cannon’s construction. A foam cannon of high-quality brass and stainless steel will be more durable and long-lasting than plastic models.

Pressure Requirements

Check the pressure requirements specified by the foam cannon manufacturer. To operate effectively, some foam cannons require a minimum and maximum PSI (pounds per square inch) range.

Foam Adjustability

Look for a model with adjustable settings for foam thickness and spray pattern. This feature allows you to customize the foam output according to the cleaning job.

Bottle Capacity

Foam cannons come with different-sized bottles, usually ranging from 0.2 to 1 gallon. Depending on your needs, choose a size that won’t require frequent refilling during your cleaning tasks.

Nozzle Tips

Some foam cannons come with multiple nozzle tips that offer different spray angles. This feature is especially useful for reaching tough corners and varied cleaning applications.


Ensure the foam cannon’s connector matches your pressure washer. Most foam cannons use a 1/4″ quick connector, but checking for specific compatibility with your machine is crucial.

Temperature Range

Certain foam cannons have limitations on the water temperature they can handle. Ensure the foam cannon you choose can withstand the required temperature range.

Ease of Use

A good foam cannon should be easy to install and operate. Quick-connect features and clear instruction manuals can significantly reduce setup time.

Filter Design

Some foam cannons have built-in filters to prevent particles from entering the cannon and causing blockages. This is especially useful for maintaining consistent foam quality.

Price and Warranty

Lastly, consider your budget and whether the foam cannon comes with a warranty. Higher-priced models often offer more features and durability, but a warranty can add more protection for your investment.

Foam Cannons for Gas Pressure Washers: Frequently Asked Questions

What is the purpose of a foam cannon?

The purpose of a foam cannon is to mix water with a cleaning solution to create thick, clingy foam that can be sprayed onto surfaces for effective and efficient cleaning.

What is the optimum soap-to-water ratio for a foam cannon?

The optimum soap-to-water ratio varies by model and cleaning needs but generally falls within a range of 1:10 to 1:20 soap-to-water.

Do foam cannons waste soap?

Foam cannons are designed for efficient soap usage and generally do not waste soap. However, incorrect settings or using more soap than necessary could lead to wastage.

How much PSI do I need for a foam cannon?

Most foam cannons require a minimum pressure range between 1,000 to 3,000 PSI for effective foaming, although some models may work at lower or higher pressures.

What’s the difference between a foam gun and a foam cannon?

A foam gun attaches to a standard garden hose and operates at lower pressure, while a foam cannon attaches to a pressure washer and uses high pressure to create denser foam.

Do foam cannons work with any kind of soap?

While many foam cannons are versatile, it’s best to use a soap specifically formulated for optimal performance and to avoid damaging the equipment.

Should I rinse the surface with water before using a foam cannon?

Yes, it’s advisable to rinse the surface with water to remove loose dirt and debris before applying foam, as this helps to prevent scratches during the cleaning process.

How to maintain a foam cannon?

Regularly cleaning the foam cannon’s components and checking for clogs or wear and tear will prolong its lifespan. Also, storing it properly when not in use helps maintain its condition.

Leave a Comment