Greenworks 2100 PSI 1.2 GPM 13Amp Compact Electric vs MJJC Foam Cannon S V3.0 with 1/
Updated August 2026 — Greenworks 2100 PSI 1.2 GPM 13Amp Compact Electric wins on accessories and durability, MJJC Foam Cannon S V3.0 with 1/ wins on price.
The Greenworks 2100 PSI is a powerful standalone pressure washer, while the MJJC Foam Cannon enhances existing pressure washers with thick foam. Choose based on your cleaning needs.
Why Greenworks 2100 PSI 1.2 GPM 13Amp Compact Electric is better
Power
2100 PSI for effective cleaning
Versatility
Includes multiple nozzles and soap applicator
Ease of Use
Push-button start and organized storage
Why MJJC Foam Cannon S V3.0 with 1/ is better
Price
More affordable at $86.99
Foam Quality
Produces thicker foam with less soap
Portability
Lightweight and easy to attach
Overall score
Specifications
| Spec | Greenworks 2100 PSI 1.2 GPM 13Amp Compact Electric | MJJC Foam Cannon S V3.0 with 1/ |
|---|---|---|
| Max PSI | 2100 | N/A |
| GPM | 1.2 | N/A |
| Weight | 25 lbs | 2 lbs |
| Nozzles | 4 included | N/A |
| Foam Type | N/A | Thicker Foam |
Dimension comparison
Overview
When it comes to pressure washers, the Greenworks 2100 PSI and the MJJC Foam Cannon S V3.0 present two distinct options for outdoor cleaning tasks. The Greenworks model is a powerful electric pressure washer designed for various surfaces, while the MJJC Foam Cannon is a specialized accessory that enhances the cleaning capabilities of pressure washers. With the Greenworks priced at $164.83 and the MJJC Foam Cannon at $86.99, buyers must consider their specific needs before making a decision.
Cleaning Power
The Greenworks 2100 PSI delivers a maximum pressure of 2100 PSI, making it suitable for medium-duty projects. This impressive power is complemented by a flow rate of 1.2 GPM, allowing it to tackle tough cleaning jobs like driveways, patios, and vehicles. In contrast, the MJJC Foam Cannon S V3.0 does not have its own pressure rating but operates within a range of 1300 to 3600 PSI, depending on the pressure washer it’s attached to. This means that while the Foam Cannon enhances the cleaning process with thicker foam, its effectiveness is contingent upon the pressure washer being used.
Features and Accessories
The Greenworks model comes with various accessories, including a turbo nozzle, a 25° nozzle, a 40° nozzle, and a soap applicator, making it versatile for different cleaning tasks. Its push-button start and internal storage for accessories add to its user-friendly design. On the other hand, the MJJC Foam Cannon boasts several upgrades, such as a structure that allows for 360-degree spray control and a straw tube for easier liquid consumption. While it excels in producing thick snow foam, it relies on the pressure washer’s performance for optimal results.
Portability and Design
The Greenworks pressure washer is designed for easy transport, featuring multiple grab points and wheels for mobility. It can be stored either vertically or horizontally, which is a significant advantage for those with limited storage space. Conversely, the MJJC Foam Cannon is a lightweight accessory that attaches easily to various pressure washers, making it portable in a different sense. However, it does not offer the same degree of standalone convenience as the Greenworks unit.
Price Comparison
The Greenworks 2100 PSI is priced at $164.83, while the MJJC Foam Cannon S V3.0 costs $86.99. This means the Greenworks model is about 17% more expensive than the Foam Cannon. Buyers must weigh the cost against the intended use; those looking for a comprehensive cleaning solution might find the investment in the Greenworks worthwhile, while those who already have a pressure washer may prefer the MJJC for its affordability and specialized functionality.
Performance and Efficiency
The Greenworks pressure washer is designed for effective cleaning of medium-duty projects, making it suitable for a range of outdoor tasks. Its 13 Amp universal motor ensures reliable performance every time, contributing to its sales rank of 10,028. In contrast, the MJJC Foam Cannon, while not a standalone cleaning machine, enhances the performance of existing pressure washers by producing a thicker, creamier foam that aids in cleaning. It also ranks slightly better at 9,898, indicating its popularity among users who prioritize foam quality.
User Experience
Users of the Greenworks 2100 PSI appreciate its ease of use, with features like a push-button start and organized storage for accessories. This design reduces setup time and enhances user satisfaction. The MJJC Foam Cannon also garners positive feedback for its ability to create rich foam with minimal soap, but some users may need to experiment with different nozzle sizes to achieve the best results based on their pressure washer's PSI. Both products focus on user convenience but cater to different aspects of the cleaning process.
Durability and Longevity
Greenworks is known for building durable products, and the 2100 PSI pressure washer is no exception. Its robust design is meant to withstand the rigors of outdoor cleaning. The MJJC Foam Cannon, while not as sturdy as a full pressure washer, is made to be functional and reliable when used correctly. However, its longevity depends largely on how well it is maintained and the quality of the pressure washer it is used with.
Which should you buy?
Choosing between the Greenworks 2100 PSI and the MJJC Foam Cannon S V3.0 ultimately depends on your specific cleaning needs. If you require a powerful, standalone pressure washer that can handle a variety of outdoor tasks, the Greenworks model is the better option despite its higher price. Conversely, if you already own a compatible pressure washer and are looking to enhance your cleaning capabilities with thick foam, the MJJC Foam Cannon offers a more economical solution. Assess your cleaning tasks and existing equipment to make the best choice for your needs.

