150w/300w/500w in-Line External Heater Aquarium Heater - 150/300/500 WATT 1/2 -5/8 500 Watt 1/2 12/16mm Hose
- The ISTA in-line external heater is designed for vertical use in most aquarium applications involving water hose of the specified diameter..
- The ISTA External Heater must be used in a vertical manner for correct operation. The most common application is for use with canister filter, however....
- The ISTA External Heater is easily installed by cutting the tubing and connecting the two parts of the tube to each side of the ISTA External....
- The ISTA External Heater is completely safe and UL Listed..
- There is no danger of damage if the ISTA External Heater is left running dry for short periods as the ISTA External Heater will switch itself off in....