I have an AI prime hd with 12" gooseneck mount that has been used for about 5 months. It's in perfect shape and functions flawlessly. The tunze has been used for about 1 year and works perfectly. The cobalt heater is also about a year old and has worked perfectly.
AI prime hd w/ gooseneck -$190 shipped
Tunze nano 3152-$60 shipped
Cobalt aquatics neotherm 100w heater- $30 shipped
AI prime hd w/ gooseneck -$190 shipped
Tunze nano 3152-$60 shipped
Cobalt aquatics neotherm 100w heater- $30 shipped

