Goldak Noise Eliminator Microphone for use with 777 Leak Detector Fisher F70 both young and old

both young and old

F75+ and F75 Ltd

High-quality construction for durability

Fisher F-19 Metal Detector Black and Gold 10" DD Search Coil

Goldak Noise Eliminator Microphone for use with 777 Leak Detector Fisher F70 both young and oldGoldak Noise Eliminator Microphone for Use with 777 Leak Detector Find Outside Leaks Easier and More Accurately Field Tested Tough! The Goldak Model NE 77 "Noise Eliminator" microphone is an accessory for the Model 777 A Leak Detector that will amplify your leak detection capabilities. The NE 77 microphone is designed to improve your leak detection success during difficult job conditions, such as PVC pipe, through asphalt or pavement, and water filled