The The Rag Company ULTRA H2O Premium Foam Cannon is a professional-grade foam cannon engineered to deliver maximum consistency, control, and durability. With precision detent adjustments, a fully rebuildable stainless steel design, and 360 adjustability, it produces thick, even foam every timewhether you’re maintaining your personal vehicle or detailing professionally.

Key Features & Benefits

Precision Detent Adjustment System Every adjustment clicks securely into place, allowing you to lock in your preferred foam setting without knobs drifting during use. Once it’s dialed in, it’s ready to perform exactly the same every wash.

Produces Thick, Consistent Foam A triple-filter system and optimized internal design create rich, clingy foam that maximizes dwell time and helps safely loosen dirt before contact washing.

Complete Spray Control Easily adjust your spray pattern from a wide fan to a concentrated stream, rotate the cannon a full 360, and fine-tune the foam-to-water ratio to match your pressure washer and favorite snow foam.

Built for Long-Term Performance Stainless steel internal components, a fully rebuildable design, and two included orifice sizes (1.1mm and 1.25mm) ensure years of reliable service while allowing you to optimize performance for different pressure washer outputs.

Thoughtful, User-Focused Design The wide-mouth HDPE bottle features a quarter-turn cap for fast refills, an easy-to-read measurement scale, rubberized grip points, and a weighted pickup tube that maintains consistent foam productioneven when the solution level gets low.

How to Use

Step 1: Fill the bottle with your preferred foam cannon soap and water according to the soap manufacturer’s recommended dilution.

Step 2: Secure the quarter-turn lid and connect the foam cannon to your pressure washer using the appropriate quick-connect fitting.

Step 3: Select the appropriate orifice (1.1mm or 1.25mm) for your pressure washer’s flow rate if necessary.

Step 4: Adjust the spray pattern and foam output using the detent adjustment system until you achieve your preferred foam consistency.

Step 5: Apply an even layer of foam from the top down or bottom up, allowing it to dwell before rinsing or performing a contact wash.

Pro Tip: Once you’ve found your ideal foam settings for your pressure washer, leave them in place. The detent adjustment system makes it easy to achieve the exact same foam performance every wash without having to readjust.

Dilution Ratios

Foam Cannon Soap Follow the dilution ratio recommended by your shampoo manufacturer.

Why We Love It

At Car Supplies Warehouse, we love the ULTRA H2O Foam Cannon because it solves one of the biggest frustrations with traditional foam cannons: inconsistency. Instead of constantly tweaking knobs that drift over time, the precision detent system locks every adjustment into place, delivering repeatable results wash after wash. Add in premium stainless steel internals, a rebuildable design, and thoughtful touches like the quarter-turn lid and weighted pickup tube, and you have a foam cannon built for years of professional-level performancenot just another accessory.

Compatible With / Works Best With

P&S Pearl Auto Shampoo Creates rich, lubricating foam that works exceptionally well in the ULTRA H2O Foam Cannon for safe maintenance washes.

The Rag Company Ultra Wash Mitt Follow your foam pre-wash with this premium microfiber wash mitt to safely remove remaining contamination while minimizing the risk of wash-induced marring.

KOCH CEMIE Gentle Snow Foam (GSF) A professional-grade, pH-neutral snow foam that pairs perfectly with the ULTRA H2O Foam Cannon to create dense, clinging foam for safe pre-wash cleaning on coated and uncoated vehicles.

Frequently Asked Questions

What makes this foam cannon different from standard foam cannons?

Answer: The ULTRA H2O Foam Cannon features a precision detent adjustment system that locks every adjustment into place, providing repeatable foam performance without knobs drifting or requiring constant readjustment.

Why are two different orifices included?

Answer: The included 1.1mm and 1.25mm orifices allow you to optimize foam production for different pressure washers, helping maximize performance regardless of your machine’s flow rate.

Can this foam cannon be rebuilt if parts wear out?

Answer: Yes. Unlike many disposable foam cannons, the ULTRA H2O is fully rebuildable, allowing you to replace serviceable components and extend its lifespan for years of reliable use.

Technical Specifications

Bottle Material: Heavy-duty HDPE with integrated measurement markings

Internal Construction: Stainless steel components

Spray Pattern: Fully adjustable from wide fan to narrow stream

Foam Adjustment: Precision detent foam control with adjustable foam-to-water ratio

Rotation: 360 adjustable body

Included Orifices: 1.1mm and 1.25mm

Pickup Tube: Weighted pickup tube for consistent chemical draw

Bottle Design: Wide-mouth HDPE bottle with quarter-turn lid and rubberized grip points

Serviceability: Fully rebuildable

Application Type: Pressure washer foam cannon for automotive pre-washing and maintenance washing

Warranty: Covered by The Rag Company’s manufacturer warranty against defects in materials and workmanship. Refer to the manufacturer for complete warranty details.