Nitrous Express 15540 Nitrous Pressure Gauge 4 inch-high Accuracy

Nitrous Pressure Gauge 4 inch-high accuracy This 4 inch high accuracy liquid filled nitrous pressure gauge is easy to read, very reliable, and extremely accurate. The Nitrous Express 4 inch nitrous pressure gauge is the only one of its kind to feature a 1/8" NPT fitting directly on the gauge so you can mount directly into an inline adapter with no other fittings necessary.