
Brondell SimpleSpa SS-150 White
Score: 70/100Mayfair Lannon
Score: 72/100Rankings
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.

The Brondell SimpleSpa Thinline SS-150 is a non-electric, single-nozzle bidet attachment designed with an ultra-slim 0.2-inch profile to fit under existing toilet seats. It provides fresh water spray using a retractable, self-cleaning nozzle but lacks heated water or dual-nozzle options. It is ideal for users seeking a low-profile, non-electric bidet upgrade for standard toilets.
| Attribute | ![]() | Mayfair Lannon |
|---|---|---|
15.4 inchesbest | 14.09 inches | |
1.6 inches | 1.77 inchesbest | |
9.15 inches | 16.54 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | Mayfair Lannon |
|---|---|---|
Compatibility & Installation(3) | ||
Installation Type | Under-seat | DIY |
Toilet Compatibility | Round / Elongated | Round |
Mounting Type | Toilet Seat | Top-Mount |
Performance & Controls(3) | ||
Control Type | Side-arm Knob | Manual |
Spray Modes | Single Spray | 2 |
Water Temperature Control | Ambient | None |
Dimensions & Build(4) | ||
Width (inches) | 15.4 inches | 14.09 inches |
Height (inches) | 1.6 inches | 1.77 inches |
Depth (inches) | 9.15 inches | 16.54 inches |
Material | ABS Plastic/Brass | Enameled Wood |
Comfort & Hygiene(2) | ||
Nozzle Material | Plastic | Unknown |
Self-Cleaning | true | false |

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

No professional reviewer or editor quotes, ratings, or analyses appear in the search results; available data is limited to manufacturer specs and retailer descriptions emphasizing slimness, hygiene, and sustainability.
Search results contain no consumer reviews, testimonials, common praise, or recurring complaints; only product listings without user feedback sections are available.
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”
