DHE offers the Flexible Manifold heaters are designed to compress into the groove providing superior heat transfer. Our flexible heater is designed with a strong construction incorporating more thermal mass and is user-friendly due to its flexible solid casing that remains in the groove. It is also easy to install. This flexible manifold heater is made of chrome nickel steel and has a nominal sheath size of 6.5 mm and 8.5 mm. It has a standard element with a terminal post that gives you a cold section that’s about 30 mm for 6.5 and 35 mm for 8.5.