Green Air Products Independent Cooling & Heating Thermostat w/4 Outlets - Model CT-HT-2 DaKine 420 It requires no tools for

It requires no tools for assembly

excluding the tumbler

closed by a ¼" silicone gasket and a latch built to pull airtight

Safe & Efficient: Unlike inferior products

Designed to fit standard propagation trays

Green Air Products Independent Cooling & Heating Thermostat w/4 Outlets - Model CT-HT-2 DaKine 420 It requires no tools forThis controller features fully independent sensors for cooling and heating equipment. The cooling thermostat activates the left outlets of the controller and the heating thermostat activates the right outlets. If you require a tighter control of your temperature than the internal heatingcooling thermostats allow, alternate sensors are available with a 3 differential External Coil or Remote Bulb Thermostat.