
Excellent little heaters. By combining them with a 120mm 110V fan blowing across them to heat a 2.5 cu ft air-circulating case up to 113 degrees (45C) suitable for 3D printing is used. Please note that these devices have no protection, it is recommended that some form of thermal protection/fuse be included in any design in which they are used. I've had them up and running for more than 6 months with no problems or failures.

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