The Bendi Sonde is a 512Hz Sonde which allows use in a cast iron line up to 20ft. depths being powered by 1 AA battery. This configuration can tackle 2" P-Traps.
The Bendi Sonde is a 512Hz Sonde which allows use in a cast iron line up to 20ft. depths being powered by 1 AA battery. This configuration can tackle 2" P-Traps.