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XS Scuba AC365 Deluxe Cylinder Fill Checker

SKU: AC365

Before every dive, you should know how much air is in your cylinder.

This easy-to-use deluxe fill checker is designed for K valves only. This fill checker allows you to check DIN and Yoke style K valves. It has a large 2.75” diameter, steel case gauge which provides dual scale psi and bar. The large, stainless steel bleed screw is replaceable.

**Note: The dust cap is NOT included.**



  • Easy read 2.75” diameter gauge
  • Dual dial – 0 to 5000 psi and 0 to 350 bar
  • Stainless steel case
  • 1.5% Accuracy throughout full range

Gauge Boot

  • Included with fill checker
  • Snug fitting, silicone compound for protection of gauge

Twist Bleed Screw     

  • Stainless steel bleed screw
  • Positive seal PDVF seat
  • Easy replacement bleeder screw

Combo Attachment          

  • Attachment to K valves
  • Attachment to 200 bar and 300 bar DIN valves
  • Spin-on yoke adapter