Graco Nautilus SnugLock Grow 3-in-1 vs Harmony Defender 360° 3-in-1 Deluxe
Side-by-side specs from each maker.
Harmony Defender 360° 3-in-1 DeluxeList price not published
Only the differences are shown.
| Graco Nautilus SnugLock Grow 3-in-1 | Harmony Defender 360° 3-in-1 Deluxe | |
|---|---|---|
| Type | Harness-to-booster | Harness-to-booster |
| Forward-facing weight | 22–65 lb | 26.5–65 lb |
| Forward-facing height | Not listed | 27–57 in |
| Booster weight | 40–120 lb | 40–120 lb |
| Booster height | Not listed | 34–57 in |
| Seat weight | 20.28 lb | Not listed |
| Width | 19.37 in | Not listed |
| Head rule | Not listed | Harness mode: ears must be below the top of the headrest at its maximum height |
| Installation | Not listed | UAS (lower anchors), children up to 50 lb, vehicle lap-and-shoulder belt, vehicle lap-only belt, top tether with harness |
| Load leg | No | Not listed |
| Anti-rebound bar | No | Not listed |
| Rotates | No | Not listed |
| Harness heights | 11 | Not listed |
| Recline positions | 4 | Not listed |
| Expires after | Not listed | 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