
Kohler PureWash M300
Score: 72/100Mayfair Lannon
Score: 72/100Rankings

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.
The Mayfair Cassel Bidet Bundle combines a round, enameled-wood toilet seat with a non-electric, fresh-water bidet attachment. It features a slow-close mechanism and a top-tightening fastening system designed for stability and quiet operation without requiring electrical installation. It is best suited for homeowners or renters who want to add a bidet without running electricity and prioritize hygiene and comfort over high-tech heated features.
| Attribute | ![]() | Mayfair Lannon |
|---|---|---|
17 inchesbest | 14.09 inches | |
0.99 inches | 1.77 inchesbest | |
19.94 inchesbest | 16.54 inches |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | Mayfair Lannon |
|---|---|---|
Compatibility & Installation(2) | ||
Installation Type | Retrofit | DIY |
Mounting Type | Seat Mount | Top-Mount |
Power & Extras(1) | ||
Power Source | None | Non-Electric |
Performance & Controls(2) | ||
Control Type | Manual Lever | Manual |
Spray Modes | Dual Spray | 2 |
Dimensions & Build(4) | ||
Width (inches) | 17.0 inches | 14.09 inches |
Height (inches) | 0.99 inches | 1.77 inches |
Depth (inches) | 19.94 inches | 16.54 inches |
Material | Plastic | Enameled Wood |
Comfort & Hygiene(1) | ||
Self-Cleaning | true | false |

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.
Professional reviewers highlight the practicality of combining a non-electric bidet with a slow-close seat, praising the ease of DIY installation and the premium aesthetic of the enameled wood. Safety-focused editors favor the stable mounting and quiet operation, while functional reviewers note that the lack of heated water and smart modes positions it as a reliable, mid-tier value upgrade rather than a luxury solution.
Everyday users frequently praise the quiet operation and the stability of the mounting system, noting that the seat stays tight over time. Many report a significant improvement in hygiene and reduced toilet paper use. However, recurring complaints focus on the discomfort of cold water spray and the inconvenience of manually cleaning the nozzle to prevent buildup.
“Quiet close is a game-changer”
“Stays tight”
“Easy to install”
