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Description
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The Nuna PIPA™ RELX base is an extra infant car seat base for Nuna PIPA series car seats (PIPA aire, PIPA rx and PIPA aire rx, but not the PIPA urbn). It has a 5-second True lock™ installation, an adjustable steel stability leg, 4 on-the-go recline positions and an anti-rebound panel, and weighs 16.8 lbs.
A second RELX base means no more moving the base between cars: install one in each vehicle and simply click your PIPA seat in. Nuna designed it with an adjustable stability leg that fits center seats and a wider range of vehicles, and a 4-position rigid latch for a closer fit against the vehicle seat.
Nuna PIPA RELX Base Features
- 5-second True lock™ installation: steel-reinforced rigid latch with indicators that turn green when clicked to the vehicle anchors.
- Adjustable steel stability leg: a locking 3-piece leg that fits most vehicles, including middle seats, with a crumple zone that absorbs impact and an indicator that turns green when it touches the floor correctly.
- 4-position on-the-go recline: adjust the angle as baby grows without reinstalling, with bubble-free recline angle guides.
- Better fit: a 4-position rigid latch reduces or removes the gap between the vehicle seat and the base.
- Extra rear-facing security: an anti-rebound panel.
- Seat belt option: an open belt path with lock-off and separate lap and shoulder belt paths, plus belt guides.
- Easy everyday use: low profile for easier loading, automatic rigid latch storage and stability leg storage with lock.
Product Specifications
| Brand | Nuna |
|---|---|
| Product type | Infant car seat base |
| Compatible with | All Nuna PIPA series infant car seats, including PIPA aire, PIPA rx and PIPA aire rx. Not compatible with PIPA™ urbn |
| Recommended use | 4 to 30 lbs and 16 to 30 in |
| Base weight | 16.8 lbs |
| Base dimensions | 23.75 L x 13 W x 12 H in |
| Recline | 4 on-the-go positions with bubble-free angle guides |
| Installation | True lock™ rigid LATCH or vehicle seat belt, with steel stability leg |
| In the box | PIPA RELX base only (car seat sold separately) |
| Model number | IF08600ACS |
Nuna PIPA RELX Base FAQ
Which car seats work with the PIPA RELX base?
Nuna says the RELX base works with all PIPA series infant car seats, including the PIPA aire rx, PIPA rx and PIPA aire. It does not work with the PIPA urbn, which doesn't need a base.
What are the weight and height limits?
Nuna lists 4 to 30 lbs and 16 to 30 inches. Always follow the limits of the car seat you are using with the base and the instruction manuals.
What is the difference between the PIPA RELX base and the PIPA series base?
Both have a steel stability leg and True lock™ rigid latch. According to Nuna, the RELX base adds bubble-free installation, a 4-position on-the-go recline, a 4-position adjustable lower anchor, an anti-rebound panel and a lower profile for easier loading. The PIPA series base uses bubble level indicators and a flip-out recline foot.
Where is the safest place to install it?
Nuna says all rear seats are safe when the car seat is installed correctly every time. The center rear is farthest from a side impact, but it's only the safest spot if you can install and use the seat correctly there on every trip.
Can I install it with a seat belt?
Yes. It has an open belt path with lock-off and separate lap and shoulder belt paths for vehicle seat belt installation.
Where can I buy the Nuna PIPA RELX base in Orlando?
Come see it in person at the MacroBaby store in Orlando, Florida, where our team helps families in English, Portuguese and Spanish. You can also shop the full Nuna collection online.
Specifications
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Technical Detail
| Compatible car seats | Compatible with all Nuna PIPA series infant car seats: Nuna PIPA Aire Infant Car Seat, Nuna PIPA Aire RX Infant Car Seat, Nuna PIPA RX Infant Car Seat |
|---|---|
| What's included | NUNA RELX Infant Car Seat Base Only |
| Product weight | 21.25 lb |
| Box size | 26.61" x 16.62" x 14.37" |
| Item model number | IF08600ACS |
| Product dimensions | 13" x 23.75" x 12" |
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Shipping and returns
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Delivery is free within the US for online orders over $49.99. For in-store purchases, please contact our customer service team for delivery options and pricing.
For orders below $49.99, delivery starts at $4.99 and may vary depending on the items in your cart.
Once your order has shipped, delivery typically takes 2 to 5 business days within the United States.
You may return your items within 30 days of receiving your order. Returned items must be unused, undamaged, and in their original packaging.






















