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Porta Brace Polar Heat Packs, Disposable Chemical Hand & Equipment Warmers, Pack of Twelve | 
 enlarge | Brand: Porta Brace
Category: Photography
Buy New: $12.00
Media: Electronics
Shipping Weight (lbs): 0.5
MPN: PHP1
EAN: 0021844110021
ASIN: B000CHQZLE
Availability: Usually ships in 1-2 business days
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| Editorial Reviews:
Product Description
Air activated warmers are placed inside polar cases to keep equipment warm. The heaters are throw-aways and heat up to 130 degrees for more than 6 hours. The heaters are safe and odorless, they contain iron powder, water salt, activated charcoal, and wood fiber. Also note that they work great for keeping your hands and feet warm
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