
Kohler PureWash M300
Score: 72/100
Brondell SMB-15
Score: 78/100Rankings

The Brondell SMB-15 is a side-mounted, non-electric bidet attachment featuring an all-metal zinc-plated brass construction and a plastic-free design for enhanced durability. It offers adjustable water pressure and a swing-action oscillating spray wand with seven nozzles for wide cleansing coverage. However, it lacks heated water options and automated features.

The Kohler PureWash M300 is a non-electric, manually-operated bidet seat designed for elongated toilets, emphasizing simplicity and low maintenance. Its key strength is the self-cleaning wand and ease of installation without wiring. However, it lacks heated water and drying features, making it best suited for users seeking a budget-conscious, basic bidet solution.
| Attribute | ![]() | ![]() |
|---|---|---|
17 inchesbest | 4.33 inches | |
0.99 inches | 3.15 inchesbest | |
19.94 inchesbest | 11.02 inches | |
— | 2 GPMbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Compatibility & Installation(2) | ||
Installation Type | Retrofit | DIY |
Mounting Type | Seat Mount | Side-Mounted |
Power & Extras(1) | ||
Power Source | None | Non-Electric |
Performance & Controls(3) | ||
Control Type | Manual Lever | Manual |
Spray Modes | Dual Spray | Oscillating |
Water Temperature Control | None | Ambient |
Dimensions & Build(5) | ||
Width (inches) | 17.0 inches | 4.33 inches |
Height (inches) | 0.99 inches | 3.15 inches |
Depth (inches) | 19.94 inches | 11.02 inches |
Material | Plastic | Metal |
Finish | White | Chrome |


Products in the top-left offer the best value (high score, low price).

The search results provided do not contain specific professional reviewer assessments or expert editorial commentary on this product. The available information comes primarily from product specifications and retailer descriptions rather than independent expert evaluations.
Based on available user feedback, the product has received mixed reviews with a rating of 4.2 out of 5 stars. Users generally praise the sleek, low-profile design and the effectiveness of the bidet function. However, recurring complaints include issues with water pressure, fit or comfort concerns, and difficulties during the installation process.

Search results provide no direct quotes from professional reviewers or editors. Product listings from retailers like Ferguson, Lowe's, and Home Depot emphasize its durable all-metal construction, easy installation, and eco-friendly design as standout qualities, positioning it as a sustainable alternative to plastic bidets.
Search results contain no consumer reviews, ratings, or testimonials. Common praise and complaints cannot be detailed without user feedback data.

