Harbor Freight Tools


Digital Tire Inflator

This professional quality tire inflator is designed with an integrated digital pressure gauge and a quick fill valve for fast tire inflation

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The MERLIN™ Digital Tire Inflator has a quick-fill valve for fast tire inflation. Highly accurate, this professional quality tire inflator displays reading increments of 0.1 PSI for precise tire inflation. The inflator comes with two popular tire chuck sizes for use right out the box.

  • Easy-to-read backlit LCD display shows pressure readings up to 150 PSI
  • Auto on/off feature preserves battery life
  • Includes angled and ball-type chucks for versatility
  • Pressure readings in PSI, Kg/cm2, kPa, and Bar
  • 1/4 in.-18 NPT(M) 18 in. hose for easy reach
  • Accuracy: 1% accuracy at 150 PSI, which equates to 1.5 PSI accuracy at any point on the scale

Important Information

  • Uses 2 AAA batteries, included.

Battery(s) Required
Flow rate
10.3 SCFM @ 90 PSI, 4.7 SCFM @ 35 PSI
Accessories Included
(2) tire chucks
1% accuracy at 150 PSI, which equates to 1.5 PSI accuracy at any point on the scale
Air inlet size
1/4 in.-18 NPT(M)
Battery(s) Included
Display type
PSI, Kg/cm2, kPa, and Bar
Hose Length
18 in.
Maximum pressure (PSI)
150 PSI
Minimum Pressure (PSI)
Product Weight
1.1 lb.
Shipping Weight
1.45 lb.
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.