- Intermediate pressure gauge
- Used for adjusting second stage air inlet
- Works with hexagonal or flat head attachment
- Simple operation
- Essential safety equipment
Your dive buddy will be counting on you to have a properly serviced and fully-functional octopus. The second stage has an adjustable air inlet orifice that needs regular pre-dive checks to ensure it’s properly calibrated. Don’t tempt disaster: get the IST Regulator Second Stage Calibration and Service Tool and dive with confidence, knowing your octo is properly calibrated and ready in case of emergency.