Model# SH261SH261--QUARTZ TUBE HEATERSupco® Universal Glass Heaters are designed to meet or exceed OEM specifications for superb performance and reliability. Constructed of high quality Vycor® glass with end seals of high temperature molded silicone.Features/BenefitsProtective oxide coated element wire for longer lasting heater lifeHeavy duty Vycor® glass constructionHigh temperature molded silicone end capsSpecial hard end caps for GE® applicationsManufactured to proper lengths, mountings and electrical OEM specifications220 volt available, special order only 200 piece minimumSpecificationSeries wiring:NoNumber of tubes:1Volts:115VWatts:550WOverall end-to-end:21 15/16"Glass length (w/o end caps):21 3/16"