McKillans Foam Cannon for Pressure Washer - Car vs Westinghouse Universal 16.5” Pressure Washer
Updated August 2026 — McKillans Foam Cannon for Pressure Washer - Car wins on warranty and height, Westinghouse Universal 16.5” Pressure Washer wins on price and width.
The McKillans Foam Cannon excels in vehicle cleaning with thick foam, while the Westinghouse Surface Cleaner is better for larger flat surfaces. Choose based on your specific cleaning needs.
Why McKillans Foam Cannon for Pressure Washer - Car is better
Price
McKillans is cheaper at $49.98
Foam Quality
Generates thicker foam for car washing
Warranty
1-year warranty offers more protection
Why Westinghouse Universal 16.5” Pressure Washer is better
Cleaning Power
Operates at 4400 PSI for tough grime
Surface Area
16.5-inch cleaning area for larger surfaces
Build Quality
Stainless steel construction for durability
Overall score
Specifications
| Spec | McKillans Foam Cannon for Pressure Washer - Car | Westinghouse Universal 16.5” Pressure Washer |
|---|---|---|
| Max PSI | Not specified | 4400 PSI |
| Connector | 1/4 Quick Connect | 1/4 Quick Connect |
| Material | Plastic/Brass | Stainless Steel |
| Cleaning Type | Foam Application | Surface Cleaning |
| User Level | Home Use | Professional/Home |
Dimension comparison
Overview of the Products
The McKillans Foam Cannon for Pressure Washer and the Westinghouse 16.5” Pressure Washer Surface Cleaner Attachment serve distinct purposes in the realm of pressure washing. The McKillans foam cannon, priced at $49.98, is designed primarily for applying thick foam to vehicles, while the Westinghouse surface cleaner, at $89.99, focuses on efficiently cleaning flat surfaces. Both products cater to different cleaning needs, making them suitable for varied applications.
Design and Build Quality
The McKillans Foam Cannon features a wide mouth design that not only allows for easier dilution of soap but also provides a stable base, reducing the risk of spills. Constructed from strong plastic and high-quality brass connectors, it ensures durability under pressure. In contrast, the Westinghouse surface cleaner boasts a stainless steel construction, ensuring robust performance and longevity. Its 16.5-inch cleaning area allows for effective coverage on larger surfaces. Ultimately, while both products are built with quality materials, the choice depends on your specific cleaning tasks.
Performance and Efficiency
In terms of performance, the McKillans Foam Cannon excels in generating thick foam, which helps lift dirt and contaminants from car surfaces, enhancing the cleaning process. Its adjustable foam output and angle allow for customization based on the cleaning requirement. On the other hand, the Westinghouse surface cleaner operates at a maximum pressure of 4400 PSI, enabling it to tackle tough grime on various flat surfaces like patios and driveways. This powerful cleaning capability makes it particularly effective for larger areas, demonstrating that efficiency can vary significantly between these two products.
Ease of Use
Both the McKillans Foam Cannon and the Westinghouse surface cleaner are designed for user convenience. The McKillans foam cannon includes a 1/4 quick connector for compatibility with most pressure washers and features an adjustable control knob for foam thickness. This makes it easy for users to achieve their desired results. Similarly, the Westinghouse surface cleaner's 1/4" quick-connect fitting allows for seamless transitions between attachments. Its straightforward design makes it accessible to both professionals and homeowners. Thus, both products are user-friendly, though they cater to different cleaning tasks.
Price Comparison
When considering price, the McKillans Foam Cannon is about 44% cheaper than the Westinghouse surface cleaner, retailing at $49.98 compared to $89.99. This significant price difference can be a deciding factor for budget-conscious consumers. However, it's essential to consider what you need the tool for, as the higher price of the Westinghouse could be justified by its enhanced cleaning capabilities and durability.
Warranty and Support
McKillans offers a 1-year residential warranty on its foam cannon, reflecting its commitment to quality and customer satisfaction. This warranty provides peace of mind for users, ensuring support for any potential issues. The Westinghouse surface cleaner, meanwhile, comes with a 180-day limited warranty, which is shorter but still offers some level of protection against defects. The longer warranty period from McKillans could be seen as a mark of confidence in their product's longevity and performance.
Customer Reception
Both products have performed well in terms of sales, with the McKillans Foam Cannon holding a bestseller rank of 4311 and the Westinghouse surface cleaner ranking at 2643. The customer reception indicates that both products are popular among users, although the Westinghouse surface cleaner has garnered a higher rank, suggesting it may be favored for its versatility in cleaning larger surface areas.
Which should you buy?
Choosing between the McKillans Foam Cannon and the Westinghouse Surface Cleaner ultimately depends on your specific cleaning needs. If your primary goal is to wash vehicles with thick foam, the McKillans Foam Cannon is an excellent choice, especially at its lower price of $49.98. However, if you frequently clean larger outdoor surfaces and need a powerful tool capable of handling tough grime, the Westinghouse surface cleaner, despite its higher price of $89.99, may offer better value in terms of efficiency and effectiveness. Consider what you will be cleaning most often, and let that guide your decision.

