H2Odyssey Pony Gauge Bottle Fill Pressure Checker - Scuba Diving Equipment for Tank Pressure Testing | Perfect for Underwater Adventures & Dive Safety Checks

This Aeris Pony Bottle Fill Pressure Checker Gauge is available at a great price.

This item features:

• Threads directly into any standard first stage high pressure port
• Nitrox compatible to 100% O2
• Reads up to 5,000 PSI
• Large numbers and colored read indicators for easy viewing
• One-way safety valve
• Perfect for back-up or stage bottles
• Measures 7/8 wide by 1" long
• Also great for double checking for hoseless transmission computers