Product Details
The Ergodyne N-Ferno Warmer Pack is a self-contained hand warmer that activates on exposure to air, providing up to 8 hours of continuous heat. Made with all-natural ingredients that generate warmth when contacting oxygen, it is reusable when stored in a Zip-Loc bag. Designed for cold weather work and recreation, it is suitable for construction, freight handling, drilling, oil refining, steel work, delivery, landscaping, cold storage, and material handling. The pack heats up quickly and is environmentally friendly. Comes in a Box of 40.
