FloTech brand overfill system kits provide everything needed to install a new overfill/retain black and white 2 wire system on your tank. One through eight compartment kits are available.
1 FT208 monitor
1 FT151 overfill and 1 FT152 retain sensor per compartment
1 FT404-150' 11 conductor cable
1 FT403 (30 pcs.) strain reliefs