Drinking trough heating 30 cm

This drinking trough heating is located under the unit to prevent the freezing of the water. The 3 adjustable legs allow keeping the drinking trough in place on the basis of its size. Without risk due to the use of low voltage. 
Diameter of the heating plate : 30 cm. 
Length of electric cable : 2.20m. 
Power: 24V and 12W.
Sold without drinking trough. Adapter 230VAC -> 24VDC (0.6A) included.
Available in 20 cm