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Nuna PIPA aire rx

The Nuna PIPA aire rx rear-faces up to 30 lb, is 17.5 in wide, and weighs 6.2 lb, per Nuna. The light aire carrier paired with the RELX base, which adds a telescoping stability leg, an anti-rebound panel and four recline positions.

  • $650List price
  • 30 lbRear-facing to
  • 6.2 lbSeat weight
  • 17.5 inWidth
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All infant car seats

PIPA aire rx: key facts

  • The Nuna PIPA aire rx rear-faces from 4 to 30 lb and up to 30 in tall, per Nuna.
  • Outgrown by height: "Top of child's head should be at least 1 inch below top of child restraint."
  • It installs with LATCH (PIPA RELX base, rigid latch), seat belt or baseless (belt path).
  • Nuna lists it as certified for aircraft ("This child restraint is certified for use in commercial aircraft with or without the base.").
  • It's 17.5 in wide at the widest point and weighs 6.2 lb without the base.

From Nuna's manual and published specs. Always follow the limits on your seat's labels.

How the PIPA aire rx stacks up

Against the 74 infant car seats we track. The shaded band is where the middle half of them fall; the dot is this one.

Rear-facing limit30 lb6th highest rear-facing limit of 73

The same as most infant car seats (30 lb).

This one
22 lbmiddle 30 lb35 lb
Width17.5 in25th narrowest of 41

Within the typical range for infant car seats (16.9 in to 17.5 in).

This one
14.8 inmiddle 17.3 in19 in
Weight6.2 lb3rd lightest of 58

Below the typical range for infant car seats (8.2 lb to 9.8 lb).

This one
6 lbmiddle 9 lb29 lb
Price$65057th lowest price of 58

Above the typical range for infant car seats ($219.99 to $449.99).

This one
$74.99middle $329.99$850

What sets the PIPA aire rx apart

Measured against the 74 infant car seats we compare, from each maker's published specs.

  • 3rd lightestof the 58 infant car seats with it published: 6.2 lb
  • Width: 17.5 inin the middle half of the 41 infant car seats that publish it (16.9 in to 17.5 in)

Next to its closest matches

Strollers named with the PIPA aire rx

24 strollers on Cribpicks are named with the PIPA aire rx in a maker's fit list. Listed stroller fit: All Nuna strollers with adapters.

StrollerHow it is listed
Bugaboo Butterfly 2With the Butterfly 2 Car Seat Adapters
Bugaboo Butterfly 2 PlusWith the Butterfly 2 Car Seat Adapters
Bugaboo Donkey 5With the Donkey 6 Car Seat Adapters (Mono/Duo)
Bugaboo Donkey 5 TwinWith the Donkey 6 Twin Car Seat Adapters
Bugaboo Donkey 6With the Donkey 6 Car Seat Adapters (Mono/Duo)
Bugaboo Donkey 6 TwinWith the Donkey 6 Twin Car Seat Adapters
Bumbleride Indie TwinWith the Indie Twin Car Seat Adapter, Set
Bumbleride SpeedWith the Indie/Speed Car Seat Adapter (Maxi-Cosi/Nuna/Cybex/Clek)
Mima CreoWith the Creo Car Seat Adapter Set
Mima MiroWith the Miro Car Seat Adapter Set
Mima Xari MaxWith the Xari Max Car Seat Adapter Set
Mockingbird Single (original)With the Car Seat Adapter

And 12 more.

Matched by brand and model name. Fit can depend on the model year, so check yours with both makers.

Flying with the PIPA aire rx

Nuna's label: “This child restraint is certified for use in commercial aircraft with or without the base.” It is 17.5 in wide at its widest point.

What airlines say about car seats:

  • American: “Each ticketed customer is allowed 1 stroller and 1 car seat to be checked free of charge” “If an unoccupied, adjoining seat is not available, the gate agent will check the safety seat to your final destination.” Source
  • Alaska: “We will transport your child's car seat and stroller free of charge as checked baggage.” Source
  • JetBlue: “Checking a child safety seat will not count towards your checked baggage allowance and there is no fee assessed” Source
  • Spirit: “One (1) car seat will be accepted per child as checked baggage at no charge.” Source
  • Frontier: “strollers and car seats can be checked for free.” Source
  • Allegiant: “There is no charge for checking or gate checking one car seat per fare-paying passenger.” Source
  • Breeze: “Child seats may be carried on board the aircraft if a seat has been purchased for the Infant or Child” Source

Quoted from each airline's page as of 2026-11-02.

Listed features

  • Carrier about 6.2 lb without canopy and inserts
  • Stability leg and anti-rebound panel
  • FAA certified with or without base (per the maker)
  • Made without added flame-retardant chemicals, per Nuna

Worth checking

  • List price $650
  • 30 lb maximum

Where to buy the PIPA aire rx

Prices and availability change. We may earn a commission from some links.

good to know
  • Check for recalls: Search the agency's recall list with the model number and date code from the label: NHTSA recall search.
  • Car seat use and installation: see NHTSA's car seat page, which also lists free car seat inspection by certified technicians. Check the label and the maker's instructions, and ask your pediatrician about your child.

Full specs

Nuna PIPA aire rx
TypeInfant car seat
List price$650
Rear-facing weight4–30 lb
Rear-facing heightUp to 30 in
Seat weight6.2 lb
Base weight16.8 lb
Width17.5 in
Head ruleTop of child's head should be at least 1 inch below top of child restraint.
Base includedYes
Newborn insertInfant insert plus an additional GOTS organic cotton insert and harness cover set (page); removal weight not stated
InstallationLATCH (PIPA RELX base, rigid latch), seat belt, baseless (belt path)
Load legYes
Anti-rebound barYes
RotatesNo
Recline positions4
Works with strollersAll Nuna strollers with adapters
Handle in the carManual: 'The handle has 3 locked positions (including carry position).' 'Nuna recommends to have the handle in the carry position when in the vehicle.' 'Handle MUST NOT contact the vehicle interior (side of car or seat in front) when installed.'
Aircraft labelCertified for aircraft, per the maker
No added flame retardantsYes

Compare the PIPA aire rx with

How each closest rival differs from the PIPA aire rx, from the makers' specs.

Ask the meadow

PIPA aire rx: questions answered

From Nuna's published specs, last checked 2026-11-06.

Does the Nuna PIPA aire rx rear-face longer than other infant seats?

24 of the 97 infant seats we track rear-face to a higher weight than its 30 lb. The highest is the Baby Jogger City GO 2 at 35 lb. NHTSA: stay rear-facing "until he or she reaches the top height or weight limit allowed by your car seat's manufacturer." (NHTSA)

Will the Nuna PIPA aire rx fit three across or in a small car?

It's wider than 82% of the infant seats we track, at 17.5 in. The narrowest is the Evenflo NurtureMax at 14.8 in. Fit depends on your vehicle; check each seat's manual and your vehicle manual. Car seat use and installation: see NHTSA's car seat page, which also lists free car seat inspection by certified technicians. Check the label and the maker's instructions, and ask your pediatrician about your child.

Is the Nuna PIPA aire rx heavy to carry?

With a 7.5 lb newborn inside you'd lift about 13.7 lb, and that grows as your baby does. The carrier is lighter than 97% of the infant seats we track. See the lightest infant seats.

Can you use the Nuna PIPA aire rx in a taxi or Uber without the base?

Yes. Nuna lists a baseless install with the vehicle belt; see the manual for the belt routing.

Can you bring the Nuna PIPA aire rx on a plane?

Yes, Nuna lists it as certified for aircraft; look for the red-lettered label that says so. The FAA asks that a car seat go in a window seat so it doesn't block the aisle, and the crew will look for that label. It weighs 6.2 lb to carry through the airport.

PIPA aire rx or Cloud T: what's different?

By the makers' specs, the Cloud T lists for $0.05 less. See every spec side by side.

Is it OK to buy a used PIPA aire rx?

NHTSA publishes guidance on used car seats on its car seat page. Check the label and the maker's instructions, and ask your pediatrician about your child.

Still wondering? Write to us at hello@cribpicks.com and we'll look it up.

More infant car seats

Where these specs come from

Last checked 2026-11-06. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.