Best Fittings Foster Quick Release Test/Dust Plug
If you have done the upgrade from BSP to Foster QR, you can now find out how much air you have left in your air tank with this almost essential part.
By connecting this Best Fittings Foster Test Plug and opening the valve the gauge on the tank then reads the pressure in the tank.
Keep this connected to your quick detach whip to act as a dust protector when not in use.





















