Harbor Freight Tools


230 PSI 1/4 in. NPT Filled Gauge

Vibration resistant filled pressure gauge

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This 2-1/2 in. filled pressure gauge has a stainless steel case and is filled with glycerin to reduce shock caused by pressure vibration. Filled gauges have fewer moving parts and last longer than dry pressure gauges.

  • Premium glycerin-filled gauge with stainless steel housing
  • Gauge displays pressure from 0-230 PSI
  • 1/4 in. NPT bottom mounted fitting

Air inlet size
1/4 in. NPT
2-1/2 in.
Stainless steel housing, acrylic lens
Product Height
1.15 in.
Product Length
2.68 in.
Product Weight
0.22 lb.
Product Width
3.52 in.
Shipping Weight
0.45 lb.
230 PSI
Thread size
1/4 in. NPT
Working pressure (psi)
0-230 PSI
Note: Specifications are approximate and subject to change

We guarantee the emissions control system on your engine will be free from defects in material and workmanship for two (2) years, provided there has been no improper maintenance, misuse, or abuse of your engine. We guarantee this product to be free from defects in materials and workmanship for 90 days from the date of purchase. Limitations apply.