Foam Cannon Pro V2 - For Pressure Washer
- Thicker, Clingier Foam : Upgraded air-mix design boosts suds for better dwell and cleaning.
- All-Brass Core & Fittings : Durable, corrosion-resistant construction for steady, leak-free performance.
- Bigger, Better Bottle : 40 oz chemical-resistant HDPE with molded volume marks and a stable, anti-tip base.
- Dial-In Control : Knurled air-mix knob and 360° fan nozzle to fine-tune foam density and coverage.
- Quick-Connect & Serviceable : ¼" QC hookup, cleanable stainless filter, and swappable 1.25/1.1 mm jets to match your PSI/GPM.
Ethos Foam Cannon Pro V2 – Maximum Foam, Professional Results
The Ethos Foam Cannon Pro V2 is a professional-grade foam cannon designed to produce thick, clinging snow foam with any compatible pressure washer. Built with an all-brass core, upgraded air-mix design, and dual interchangeable orifices (1.25mm installed / 1.1mm included), this foam cannon delivers dense foam, maximum dwell time, and safer washes for cars, trucks, SUVs, and more.
If you're looking for the best foam cannon for pressure washers, this is it.
Why This Foam Cannon Produces Thicker Foam
Not all foam cannons are built the same.
The Ethos Pro V2 uses an upgraded air-injection system that increases foam density by up to 50% compared to standard foam cannons. That means:
-
Thicker foam
-
Longer dwell time
-
Less soap usage
-
Better dirt encapsulation
-
Reduced swirl risk during contact washing
Pair it with a high-lubricity shampoo like Ethos Pure Car Soap or Ceramic Shampoo and you’ll get true snow-foam coverage.
What Is a Foam Cannon?
A foam cannon is a pressure washer attachment that mixes water, air, and car shampoo to create thick foam that blankets your vehicle before washing.
Unlike a bucket wash alone, foam pre-soaks your vehicle to loosen dirt and road grime before contact. This helps reduce friction and lowers the risk of scratching your paint.
Foam cannons are one of the safest and most effective ways to wash a vehicle properly.
Foam Cannon vs Foam Gun – What’s the Difference?
Many people confuse foam cannons and foam guns.
Foam Cannon
-
Connects to a pressure washer
-
Produces thick, shaving-cream-style foam
-
Adjustable spray pattern
-
Best for professional results
Foam Gun
-
Connects to a garden hose
-
Produces lighter foam
-
Less dwell time
-
Lower cleaning power
If you want maximum foam thickness and better cleaning performance, a foam cannon is the superior option.
Works With Most Pressure Washers
The Ethos Foam Cannon Pro V2 is compatible with pressure washers operating between:
-
1000–4000 PSI
-
1.5–5.0 GPM
It even performs well with electric pressure washers starting at 1300 PSI.
Included:
-
1.25mm orifice (installed) for higher GPM units
-
1.1mm orifice (included) for lower PSI electric washers
This ensures optimal foam performance no matter your setup.
Dial-In Foam Thickness
Fine-tune your foam exactly how you want it.
-
Adjustable air-mix knob
-
360° spray pattern
-
Wide-to-narrow fan adjustment
-
Consistent pressure delivery
From wheels to roofs to full vehicle coverage — control is in your hands.
Ethos Foam Cannon Pro V2 – Maximum Foam, Professional Results
The Ethos Foam Cannon Pro V2 is a professional-grade foam cannon designed to produce thick, clinging snow foam with any compatible pressure washer. Built with an all-brass core, upgraded air-mix design, and dual interchangeable orifices (1.25mm installed / 1.1mm included), this foam cannon delivers dense foam, maximum dwell time, and safer washes for cars, trucks, SUVs, and more.
If you're looking for the best foam cannon for pressure washers, this is it.
Why This Foam Cannon Produces Thicker Foam
Not all foam cannons are built the same.
The Ethos Pro V2 uses an upgraded air-injection system that increases foam density by up to 50% compared to standard foam cannons. That means:
-
Thicker foam
-
Longer dwell time
-
Less soap usage
-
Better dirt encapsulation
-
Reduced swirl risk during contact washing
Pair it with a high-lubricity shampoo like Ethos Pure Car Soap or Ceramic Shampoo and you’ll get true snow-foam coverage.
What Is a Foam Cannon?
A foam cannon is a pressure washer attachment that mixes water, air, and car shampoo to create thick foam that blankets your vehicle before washing.
Unlike a bucket wash alone, foam pre-soaks your vehicle to loosen dirt and road grime before contact. This helps reduce friction and lowers the risk of scratching your paint.
Foam cannons are one of the safest and most effective ways to wash a vehicle properly.
Foam Cannon vs Foam Gun – What’s the Difference?
Many people confuse foam cannons and foam guns.
Foam Cannon
-
Connects to a pressure washer
-
Produces thick, shaving-cream-style foam
-
Adjustable spray pattern
-
Best for professional results
Foam Gun
-
Connects to a garden hose
-
Produces lighter foam
-
Less dwell time
-
Lower cleaning power
If you want maximum foam thickness and better cleaning performance, a foam cannon is the superior option.
Works With Most Pressure Washers
The Ethos Foam Cannon Pro V2 is compatible with pressure washers operating between:
-
1000–4000 PSI
-
1.5–5.0 GPM
It even performs well with electric pressure washers starting at 1300 PSI.
Included:
-
1.25mm orifice (installed) for higher GPM units
-
1.1mm orifice (included) for lower PSI electric washers
This ensures optimal foam performance no matter your setup.
Dial-In Foam Thickness
Fine-tune your foam exactly how you want it.
-
Adjustable air-mix knob
-
360° spray pattern
-
Wide-to-narrow fan adjustment
-
Consistent pressure delivery
From wheels to roofs to full vehicle coverage — control is in your hands.
FAQ
Yes, foam cannons are generally safe and effective for cleaning your car. In fact, foam cannons are often preferred by car enthusiasts and professional detailers because they offer several advantages over traditional cleaning methods.
Firstly, foam cannons use high-pressure water and soap to create a thick layer of foam that clings to your car's surface. This foam is highly effective at breaking down and lifting away dirt, grime, and other contaminants without the need for aggressive scrubbing. This means that there is less risk of scratching or damaging your car's paint or clear coat.
Additionally, foam cannons are highly adjustable, allowing you to customize the strength and amount of foam dispensed. This gives you more control over the cleaning process and allows you to tailor it to your specific car cleaning needs.
That being said, it's important to use a high-quality soap designed specifically for use with foam cannons and to follow the manufacturer's instructions carefully. Overuse of the foam cannon or using harsh chemicals can potentially damage your car's paint or clear coat. As long as you use it correctly, a foam cannon can be an effective and safe way to keep your car looking its best.
As a leading manufacturer of car cleaning products, including the highly regarded Ethos Foam Cannon, we are often asked which foam cannon is the best for washing cars. While there are many foam cannons on the market, we believe that our Ethos Foam Cannon stands out from the rest.
Our Ethos Foam Cannon is designed with both performance and safety in mind. It features a high-quality brass body and stainless steel fittings, ensuring durability and longevity. It is also fully adjustable, allowing you to control the amount and strength of the foam for optimal cleaning results.
One of the unique features of the Ethos Foam Cannon is its wide fan sprayer, which covers a large surface area for more efficient cleaning. Additionally, it is designed to work with any pressure washer, making it a versatile and convenient addition to your car cleaning routine.
But what truly sets the Ethos Foam Cannon apart is our commitment to using only the highest quality, eco-friendly ingredients in our soap formulations. Our soap is pH-balanced and contains no harsh chemicals, ensuring that it is safe for your car's paint, clear coat, and other surfaces.
Our customers have consistently praised the Ethos Foam Cannon for its ease of use, effectiveness, and long-lasting performance. We stand behind our product and are confident that it is the best foam cannon for washing cars on the market today.
Yes, it's recommended that you wet your car before using a foam cannon. Wetting your car beforehand helps to loosen and remove any loose dirt or debris that may be on the surface, making the cleaning process more effective. Additionally, it helps to prevent any potential scratches or damage that could occur from the foam cannon's high-pressure stream hitting dry dirt or debris on the surface.
To use a foam cannon effectively, simply rinse your car with water to remove any loose dirt or debris, then apply the foam using the foam cannon. The foam will cling to the surface of your car and begin to break down any dirt and grime. After allowing the foam to dwell for a few minutes, rinse it off with water, and then proceed with your regular car washing routine.
It's important to note that different foam cannons may have slightly different instructions, so it's always best to consult the manufacturer's instructions for your specific foam cannon model.
The amount of time you should leave a foam cannon on your car can vary depending on a few factors, such as the condition of your car's surface and the type of soap you're using. However, as a general rule of thumb, most manufacturers recommend leaving the foam on your car's surface for approximately 5-10 minutes.
During this time, the foam will begin to break down and dissolve any dirt, grime, or contaminants on the surface of your car. This is known as "dwell time." It's important not to let the foam dry completely, as this can make it more difficult to remove and potentially cause streaking or other unwanted effects.
After the recommended dwell time has passed, simply rinse off the foam with a high-pressure stream of water, working from the top of the car down to avoid streaking or water spots. Then, proceed with your regular car washing routine, such as hand washing or using a pressure washer with a high-quality car soap.
Again, it's important to note that different foam cannons and soap formulations may have slightly different instructions, so always consult the manufacturer's instructions for your specific product.








