Infinity's QUARTZ CENTAX heaters come in a variety of sizes, shapes and material with central tubes and elements made from ULTRA PURE 214 Fused Quartz. These heaters are perfect for applications where conventional technology is too spatially inefficient or an ultra pure working fluid is needed to be maintained without the addition of ions or metal/teflon byproduct. These are also perfect for applications where you need a heater that is fast and easy to install and maintain.