HEAVY DUTY TIMER - Intermatic TN311 Bacteria Ballast Life Timer

Ballast Life Timer

Flat top allows for stacking

Hydroton expanded clay

If bed is established

ensuring that CO2 is only distributed when necessary for the process of photosynthesis

HEAVY DUTY TIMER - Intermatic TN311 Bacteria Ballast Life TimerFrom the leading manufacturer of lighting controls, the Intermatic TN311 is an essential energy saving mechanical timer for the home. This heavy duty unit plugs directly into the wall and will control 120 volt air conditioners, heaters, metal halide and HPS lighting fixtures, and other heavy electrical load appliances. The timer has a three wire grounded plug and outlet for safety, and features include a manual override and up to 3 On Off settings per