Hayes UK Test kit comprising of:

GD-3300 Combustible Gas Leak Detector

• Key features: Highly sensitive and reliable
• Easy to use: One-hand operation with thumb controlled tick adjust knob
• Tick accelerates when sensor tip approaches leak
• Fully adjustable tick rate
• Pinpoint small leaks: Detects all combustible gas leaks, even small leaks. 

GD-3301 Carbon Monoxide Detector

• Detects the presence of Carbon Monoxide 
• Measures concentrations at 1-1000 parts per million (PPM)
• LCD display in PPM, audible tone
• Maximum Date Mode
• Memory date data function
• Alarm function

All in a robust Carry Case