Harmony Defender 360° 3-in-1 Deluxe vs Nuna LUMN
Side-by-side specs from each maker.
Harmony Defender 360° 3-in-1 DeluxeList price not published
Only the differences are shown.
| Harmony Defender 360° 3-in-1 Deluxe | Nuna LUMN | |
|---|---|---|
| Type | Harness-to-booster | Harness-to-booster |
| Forward-facing weight | 26.5–65 lb | 30–65 lb |
| Forward-facing height | 27–57 in | 34–49 in |
| Booster weight | 40–120 lb | 40–110 lb |
| Booster height | 34–57 in | 43–57 in |
| Seat weight | Not listed | 26.2 lb |
| Width | Not listed | 18.25 in |
| Head rule | Harness mode: ears must be below the top of the headrest at its maximum height | Not listed |
| Newborn insert | Not listed | Body insert: 'The body insert MUST be used for a child up to 40lbs (18 kg).' Seat insert used only from 30 lbs up to 65 lbs in harness mode; remove in booster mode. |
| Installation | UAS (lower anchors), children up to 50 lb, vehicle lap-and-shoulder belt, vehicle lap-only belt, top tether with harness | lower anchor belt and tether (harness mode), vehicle belt and tether (harness mode), vehicle belt without lower anchors (booster mode) |
| Load leg | Not listed | No |
| Anti-rebound bar | Not listed | No |
| Rotates | Not listed | No |
| Harness heights | Not listed | 10 |
| Recline positions | Not listed | 9 |
| Aircraft label | Not listed | Certified for aircraft, per the maker |
| No added flame retardants | Not listed | Yes |
| Expires after | 10 years | 10 years |
Harmony Defender 360° 3-in-1 Deluxe
Harmony forward-facing 3-in-1 seat that converts from a harness seat to a high-back and then backless booster.
- Maker states forward-facing use with harness and two booster modes
- Manual covers lower-anchor use up to 50 lb
- Manual gives no seat weight or dimensions
Nuna LUMN
- Maker lists 10 headrest positions and 9 recline positions (with top tether)
- Maker states 'Fire-retardant free'
- Maker lists FAA certification in harness mode
- Not certified for aircraft use in booster mode per manual
Ask the meadow
Defender 360° 3-in-1 Deluxe or LUMN?
Answers come from each maker's published specs. Safety and health questions link to the agency or medical source.
Which one will my child use longer, the Defender 360° 3-in-1 Deluxe or the LUMN?
The Harmony Defender 360° 3-in-1 Deluxe: it goes forward-facing with a harness, then booster, up to 120 lb. The LUMN goes forward-facing with a harness, then booster, up to 110 lb. The Defender 360° 3-in-1 Deluxe expires after 10 years.
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.