TD50020A-14E This cartridge heater has a 304 Stainless Steel sheath and has these specifications: 0.5" OD 2" Insertion Length 2.37" OAL 120 volts 75 watts / 240 volts 300 watts 14" FG lead w/ Epoxy Potting. This Today heater can usually ship the same day, if ordered by 1:30 CST. Out of stock, epoxy potting, and NPT fitting heaters can ship in two business days.