BOXIO Toilet
An ultralight dry separating toilet for car camping, roof tents and short van trips; too small for full time use.
Amazon $199.90$199.90
The BOXIO Toilet is the better toilet overall, rated 4.0 to 3.6. The BOXIO Toilet leads on capacity. The BOXIO Toilet costs $99.10 less ($199.90 vs $299).
Trelino Evo S
#10 in Urine-divertingFull review
A light, power free diverting toilet for weekend van trips, tents and boats where space matters more than capacity.
Amazon $299$299
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the BOXIO Toilet for capacity (solids capacity not published, 1.3 gal urine bottle vs about 6 uses per solids bin, 1.2 gal urine bottle).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every urine-diverting toilet; a clear win is highlighted. How we rank explains each one.
| Factor weight | BOXIO Toilet | Trelino Evo S |
|---|---|---|
| Overall rating | 4.0/5 | 3.6/5 |
| Value 30% | 100 $199.90 | 100 $299 |
| Capacity 25% | 47 solids capacity not published, 1.3 gal urine bottle | 10 about 6 uses per solids bin, 1.2 gal urine bottle |
| Power 15% | 100 needs no power | 100 needs no power |
| Certification 15% | 50 NSF/ANSI 41 certification not stated (neutral score used) | 50 NSF/ANSI 41 certification not stated (neutral score used) |
| Warranty 15% | 50 warranty not published (neutral score used) | 25 2-year warranty |
Specifications
| BOXIO Toilet | Trelino Evo S | |
|---|---|---|
| Capacity | ||
| Type | Urine-diverting | Urine-diverting |
| Uses per solids bin | - | 6 uses |
| Urine bottle | 1.3 gal | 1.2 gal |
| Urine drain option | No | No |
| Agitator | No | No |
| Power and venting | ||
| Power | None needed | None needed |
| Build | ||
| Dimensions | 11.8 x 15.75 x 11 in | 13 x 15.4 x 11.7 in |
| Weight | 6.2 lb | 8.6 lb |
| Material | - | Recyclable ABS plastic |
| Warranty | - | 2 years |