Matcha Green Precision Brass PA Foam Cannon | Dedicated Foam Sprayer for High-Pressure Washers

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I. Product Highlights

Precision Brass Foaming Core: Dense, Long-Lasting Foam

Featuring a new-generation precision brass foaming chamber with a passivated finish, this unit offers exceptional resistance to acid and alkali corrosion. Compatible with the vast majority of car wash detergent formulas, it effortlessly generates dense, thick, and long-clinging "cloud-like" foam—delivering professional-grade "PA Pre-wash" results that effectively soften dirt and grit without damaging the vehicle's paintwork.

Adjustable Foam Concentration: Adaptable to Various Scenarios

Equipped with dual adjustment knobs on the top, the unit allows for precise control over both detergent intake volume and foam spray angle. From low-foam pre-washes to high-foam maintenance routines, you can adjust settings according to your specific needs—one bottle is all you require to meet every car cleaning demand.

Thickened, High-Transparency Bottle Body: Safe and Durable

Constructed from a thickened (140g) food-grade transparent material, the bottle body offers superior impact resistance and withstands extreme temperatures without aging or deforming. The transparent design allows for real-time monitoring of the remaining liquid level, preventing dry-running that could damage the equipment.

All-Brass Valve Body + Stainless Steel Connectors: Secure and Leak-Free

Featuring a pure brass valve core paired with a 1/4-inch stainless steel quick-connect fitting, the unit ensures easy installation and a tight seal. It remains leak-free and maintains consistent pressure during high-pressure operation, making it compatible with the vast majority of mainstream high-pressure washers currently on the market.

Maintainable and Easy to Replace: Worry-Free Long-Term Use

The foaming core, foam mesh, and liquid intake nozzle are all detachable for easy cleaning or replacement. The unit includes a complimentary SUS304 stainless steel gravity ball and a silicone intake hose, ensuring complete liquid suction from every corner of the bottle for stable, uninterrupted foam output.

II. Product Specifications

Name: Matcha Green Brass PA Foam Cannon

Body Material: Thickened, High-Transparency Engineering Plastic (140g Heavy-Duty Model)

Chamber Material: Passivated Brass (Resistant to Acid and Alkali Corrosion)

Connector Specification: 1/4" Stainless Steel Quick-Connect Fitting (Universal)

Adjustment Method: Dual-Knob Control (Foam Concentration + Spray Angle)

Standard Accessories: Stainless Steel Gravity Ball ×1, Silicone Suction Hose ×1, High-Density Foam Mesh ×1

Applicable Scenarios: Home / Commercial High-Pressure Washers; Vehicle Pre-washing, Deep Cleaning, and Pre-waxing Preparation

III. Product Details

1. Passivated Precision Copper Housing

Utilizing a new generation of precision-engineered copper housing featuring a passivated surface treatment, this unit offers superior resistance to acids, alkalis, and corrosion, ensuring it remains impervious to the erosive effects of car wash detergents even after prolonged use. The housing features an optimized internal flow channel design, resulting in higher foaming efficiency and the production of finer, more uniform foam, thereby minimizing the waste of car wash solution.

2. Thickened Transparent Bottle Body

Constructed with a thickened 140g bottle body, this unit offers greater drop resistance and high-pressure durability compared to standard PA bottles, making it less prone to deformation or cracking. The highly transparent material allows for a clear, visual check of the remaining liquid level and the cleanliness status inside the bottle, enabling timely replenishment of car wash solution and preventing "dry-running" that could damage the equipment.

3. Dual Adjustment Knob Design

Concentration Adjustment Knob: Controls the intake ratio of the car wash solution. A low-concentration setting is ideal for basic body cleaning, while a high-concentration setting is designed for softening heavy grime and stains, allowing for hassle-free, on-demand mixing.

Spray Angle Adjustment: Allows for precise adjustment of the foam spray's fan angle. A narrow angle provides a concentrated jet for targeting wheel rims and wheel arches, while a wide angle ensures uniform coverage of the entire vehicle body, balancing both cleaning efficiency and effectiveness.

4. Detachable Structure for Easy Maintenance

The spray core, foam mesh, and liquid intake nozzle are all easily detachable. Regular cleaning or replacement of these components prevents clogging caused by impurities and extends the overall service life of the unit. The included stainless steel gravity ball ensures stable liquid intake even when the fluid level inside the bottle is low, guaranteeing uninterrupted foam output.

IV. Performance Demonstration

Dense Foam Output: When paired with a high-pressure washer, the unit generates a thick, cloud-like foam that adheres uniformly to the vehicle's surface. This effectively softens caked-on mud and dissolves stains, significantly reducing the risk of scratching the paintwork during the washing process.

Multi-Scenario Adaptability: The narrow-angle spray allows for precise cleaning of stubborn grime in tight spots—such as wheel rims and crevices—while the wide-angle spray enables rapid coverage of the entire vehicle body. From pre-washing and deep cleaning to wheel detailing, a single bottle handles it all.

V. Installation and Usage Steps

Accessory Installation: Connect the silicone intake hose to the stainless steel gravity ball, then insert the assembly into the bottle body, ensuring the gravity ball is free to move unhindered inside the bottle.

Preparing the Solution: Add the car wash detergent and water to the bottle body according to the recommended mixing ratio, then securely tighten the bottle cap. Connecting the Device: Connect the 1/4-inch fitting of the PA foam cannon to the quick-connect end of your high-pressure washer's spray gun; ensure the connection is secure and free of any looseness.

Adjusting Parameters: Depending on your cleaning requirements, rotate the top knob to adjust the foam concentration and spray angle.

Starting Operation: Start the pressure washer, then spray the foam evenly over the vehicle body, working from the bottom upward. Allow the foam to sit for 3–5 minutes to soften the dirt and grime, then rinse thoroughly with clean water.

VI. Cleaning and Maintenance Instructions

Rinsing After Use: After each use, fill the foam cannon with clean water and run the pressure washer for 30 seconds to flush out any residual car wash solution. This prevents corrosion of the internal chamber and clogging of the spray nozzle.

Regular Accessory Cleaning: If the foam mesh or spray nozzle becomes clogged, disassemble the unit according to the instruction manual and rinse the components thoroughly with clean water. Replace with new parts if necessary.

Storage Precautions: After cleaning and drying, store the PA foam cannon in a cool, dry place. Avoid direct sunlight or high-temperature environments to extend the service life of the unit.

VII. Special Notes

This product is designed for use with a high-pressure washer; it does not support manual pressurization.

If the pressure washer exhibits intermittent operation (cycling on and off) while using a small-aperture spray nozzle, it is recommended to switch to a larger-aperture nozzle.

Do not use highly corrosive, strong acidic, or strong alkaline cleaning agents, as this may damage the body and internal chamber of the foam cannon.