November 9, 2015
Product is very good, even though it is made in china. You never ship a complete order, always have to wait for something.
April 28, 2014
We use this as we are not in Salt or brackish water. Only way to fly as Zinc does not work in fresh water. We change out every year. Unit on copper condenser we change out every other year. We have grounded every thing on the boat. Power is supplied by PM alternator.