The FOGRod comes in three lengths – 7.5 ft, 5 ft and 3 ft. The separation between each contact is 9″ for the 7.5′, 6″ for the 5′ and 3″ for the 3′ Fogrod. They are the same price.
For longer Fogrods, see the next question – we use two Fogrods..

Wastewater Level LLC
support@wastewater-level.com
PO Box 197, Kalispell MT 59903
406 545 3023