Idea of Scuba Pressure Gauge Icon
There is a round circle attached to a a rectangle that is shorter than it is long, that is attached to a rounded edge square to represent the hoes connections. Inside the ciricle there is a series of dots that form a simi circle. A dial points to the 6th dot which would be in the 1 o'clock position.
This Scuba Pressure Gauge icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 6,200 icons, all in the same style and quality.