The Ridgid standard sonde features a compact design—measures under 1"Dia x 3"L. You can easily attach it to a drain cleaning cable or a water jet hose. Operates on one AAA battery (included).
The Ridgid float sonde is round and measures only 1.5" in diameter. Its size and economical price allow you to flush it down a drain, making it ideal for locating septic tanks. Comes two per pack. Battery included, factory sealed.