Vexilar 19-Degree Puck Transducer for Depth Finder, 25-Feet

promoting the sonar phone transducer in a fiberglass hull you need to make sure you get the right spot on that hole in most cases you have to mount it internally you can use our ace transducer adhesive or some fiberglass putty to be able to install it but this transducer can be installed in Hall as well it'll shoot right through your hull now one of the things that you have to understand is where it's got to be see if you try to mount it externally on a boat like this most people - all put it right here but this isn't the running surface of the boat this isn't the pad or the back corner of the boat it's back down in here back where the drain plug is that's probably one of the biggest keys is it you'll always look for the drain plug is well in most cases in fiberglass boats it's always best to mount it in hole because you can shoot right through fiberglass with this transducer although I