The Zerostart 3400040 silicone pad heater snugly wraps around a diesel fuel filter. It secures with a hook & look closure.
It is 100 Watts at 24 Volt DC, and fits diesel fuel filters from 2-3/4″ – 5″ in diameter. The heated length is 9″.
NOTE: Image is for identically sized 12 Volt model.