Hydrotech 300 Bar Blanking Plug Heated Undersuits Does not include: suit rings

Does not include: suit rings or silicone bands

50% lighter

Durable mesh construction for drainage and ventilation

as it can be misleading

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Hydrotech 300 Bar Blanking Plug Heated Undersuits Does not include: suit ringsHydrotech 300 Bar Blanking Plug This blanking plug from Hydrotech allows you too see how much pressure is left in your cylinder by blocking the exit port to permit the gauge to read the pressure inside the cylinder itself without wasting any air. Simply insert the plug, close the bleed valve and open the main valve to see the remaining pressure. Once complete close the main valve, open the bleed valve and remove the plug.