*Caution: Heater may only be operated with fan!
100/150W: 80 x 80 x 25 mm - minimum airflow: 20 cfm (35m³/h)
200/300/400W: 120 x 120 x 25 mm - minimum airflow: 63 cfm (108m³/h)
100/150W: 0.6 lbs. (240 g) without fan
200/300/400W: 1.1 lbs (490 g) without fan