The Matador C02 Controller monitors and controls consitant CO2 levels in the the range of 0 - 5,000 ppm and is a vital component to any enclosed garden.
BENEFITS
No cumbersome calculations of how much CO2 to inject
Constant monitoring saves valuable time and money
More reliable than manual device or timers
No chance of accidentally adding too much CO2
Simple to hook up:
Plug in power cord
Plug in C02 burner