Spare-Air Screw-In Dial Pressure Gauge Scuba Flags are made from Strong

Flags are made from Strong 100D Denier 100% Polyester Materials

Advanced 1900 mAh battery delivers longer runtimes in a wide variety of temperatures and conditions

Smooth skin watertight seals on the hood

A balanced laminate matrix provides exceptionally high strength & rigidity

Fragrance and Dye Free

Spare-Air Screw-In Dial Pressure Gauge Scuba Flags are made from StrongThe optional Dial Gauge gives accurate readings of how much air is in your Spare Air in 200 psi increments with 1000 psi numerical readout. The most popular add on feature shows the amount of air in Spare Air Cylinder. You can install one in any Spare Air. Gauge face has green for safe level and red for needs refill level allowing readings at a glance. Spare Air Screw In Dial Pressure Gauge Takes Place of Existing Pressure Pin Indicator No Special