The Scubapro Pressure Guage Capsule is a highly accurate and clearly marked diving pressure gauge that features a tempered glass front and a burst disk at the back in the event of over-pressurisation.
 
The Scubapro Pressure Gauge Capsule is available in either White (Phosphor) or Black dials, and also either 52mm or 63mm, depending on your preference.
 
The Scubapro Pressure Gauge Capsule can read up to 300 Bar cylinders and has a red warning zone from 0 to 50 Bar. 
 
White Dial - Whole background will glow
Black Dial - Only the markings and needle will glow