18V ONE+™ Dual Function Inflator / Deflator

Model: #P731

4.8 | 161 Reviews
ONE+ delivers more value with cordless convenience when you need it most. The RYOBI® 18V ONE+™ Dual Function Inflator/Deflator provides high pressure inflation for tires and other small inflatables and high volume inflation for large inflatables. The easy-to-use controls allow automatic shut-off at any pressure you choose and there is a digital pressure read-out for accurate inflation. All of the hoses, nozzles and adaptors needed are stored on-board for your convenience. The 18V ONE+™ Inflator/Deflator is sold as a bare tool, allowing you to build on your ONE+™ collection without spending additional money on batteries and chargers with each tool purchase. Best of all, like every RYOBI® 18V ONE+™ blue or green tool, this Inflator/Deflator works with any 18V ONE+™ battery. Upgrade to lithium-ion or LITHIUM+™ batteries for lighter weight and better performance.
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This product is covered by a 3-year limited warranty.

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  • Battery: 18V
  • High Pressure Inflator Operating Range: 0 - 150 PSI
  • High Volume Inflator Pressure Rate: 0.46 SCFM (standard cubic feet per minute) at 35 PSI High Volume Inflator (HVLP)
  • Flow Rate: 8.3 SCFM
  • Digital Readout: Switches from PSI, kPA to BAR
  • Tool Weight: 2.8 lbs.


  • P731 Inflator with High Pressure Hose
  • High Pressure Nozzle
  • High Volume Hose
  • High Volume Nozzle
  • Sports Ball Needle
  • Presta Valve Adapter
  • Operator’s Manual
  • **Battery and Charger Sold Separately**


18V ONE+™ Dual Function Inflator / Deflator
18V ONE+™ Dual Function Inflator / Deflator is rated 4.8 out of 5 by 161.
Rated 5 out of 5 by from Excellent product I have not used the air mattress part of it yet, but the tire part of it works perfectly. It works good for putting air in bike tires as I don’t have to worry about calling someone to bring a tire pump to me and having to sit there and wait for the tire air with a car door and/or a car window open. Another thing nice about it is not having to worry starting the car to keep the car battery charged i can just stick the battery in and start start using it. I also enjoy the fact that I can set the tire pressure gauge on the pump and not have to put too much air in any tire.
Date published: 2018-07-10
Rated 2 out of 5 by from Great while it lasted! I purchased one of these to top off my RV tires (80psi) while traveling on trips. Great size and very handy while it worked. During the 3rd time I used it, the hose blew off the connection at the compressor. Looked like due to a poor crimp on the connection. This thing was so reasonably priced and handy, I purchased another one. This time, after about 20 uses, it too failed at the connection. If it hadn't been for the handsfree autofill, the hose would have made a mark across my head. I now have two. I've managed to push the hose back into the unit tight enough that I'm able to get 25-30psi. I now use it for lawn and garden tires and inflating floatation devices.
Date published: 2020-07-31
Rated 5 out of 5 by from Very handy, lightweight and innovative I bought this last week after a recommendation from ProTools Review. I. Checked the air pressure in both my cars and double checked with my analog gauge. I found the digital read out very accurate. I then reduced the tire pressure below recommended. The pump started and stopped when reaching .5 pound above selected air pressure. This compensates for the slight loss at detaching the lock,-on connector.
Date published: 2018-04-25
Rated 5 out of 5 by from Great Little Inflator! After swapping all my compressor driven nail guns with Ryobi 18v nail guns, I decided to completely eliminate my compressor and opted to replace it with this inflator/deflator. The Ryobi 18v inflator easily fills full size SUV tires to the specified amount. I particularly like that you can set the inflator to stop at a given pressure. No more “fill it”, “check it”, “fill it again”, “check it again”. I have used it a dozen times on the SUV thanks to a nail that has since been repaired. I have used it several times to fill bicycle tires and an air mattress. I couldn’t be happier with the functionally and performance.
Date published: 2019-06-11
Rated 5 out of 5 by from So many options in such a compact package! Recently purchased the inflator to take with us camping. Honestly- this little machine has done more that I expected and seems to do it effortlessly!!! I've used it for everything from footballs to bike and trailer tires. Surprisingly- it never seems to sound like it's laboring. And the fact that it uses very little battery is an added bonus!!!! I like the backlit digital setting/display and auto-turnoff feature (when reaching the preset PSI). I also love it can inflate/deflate summer water toys quickly!! Many, many uses for this device... and in enclosed in such a small packages is nothing short of a bonus! I've been reaching for this over my home and pancake compressors as it's 'instant' air (no charge time).
Date published: 2019-06-13
Rated 2 out of 5 by from Longevity I have had this tool for about a 1 1/2 years and it's a great idea.I've used it about 20 times and it first started sounding like it was going to shake apart then stopped working at all.Doesn't seem to be durable enough.Too bad.It is very convient
Date published: 2018-05-23
Rated 5 out of 5 by from Great pump Use that for my car that always have tire pressure light and it works Fill up fast and I like the fact that it stop by itself when the pressure is up to the level set up. Swap-able battery is another plus and now I'm start getting other tools using the same battery
Date published: 2018-05-06
Rated 3 out of 5 by from I keep it in my truck! It would’ve been five stars. My first Inflator / Deflator broke on the high pressure side. It pumps but the pressure meter went out of calibration. At 32psi the Inflator / Deflator measured 112psi. This happened after the warranty went out. Maybe the kids dropped in the garage or maybe the electronics went bad. What keeps it at three stars is the overall One+ lineup overall. Under fifty bucks and after three years. I am satisfied with the unit and I purchased the latest model. Used it to pump Balloons, Floaties, and of course tires. You have no idea how much thanks you will receive to inflate stuff!
Date published: 2021-01-10
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