GTS 2541 - By far, Evenheat's best-selling glass kiln. The GTS 2541 offers tons of room with superior performance. There's no contest, this is the best in the field. If you need space for volume firing or want to keep your options open on piece size, this is the kiln to have. All hot glass techniques are possible with the GTS 2541. Not only are fusing, slumping and pate de verre possible, but this kiln is very well known for its excellent paint firings (very even). The GTS 2541 is stock equipped with manual infinite switches. Having said that, its performance is best realized when ordered with the built-in RampMaster 2 digital temperature control. Other options include chamber depths to 13.5" as well as a viewing window (replaces covered peephole).