Ergodyne
Instant Hot Pack N-Ferno Hand Fabric / Activated Carbon / Iron Powder / Polyethylene / Sodium Chloride / Vermiculite / Water Disposable
PRODUCT HIGHLIGHTS
- Air-Activated Heat Just open the pack—no external activation needed
- Natural, Safe Ingredients Heats with iron powder, salt, activated carbon, vermiculite, and water
- Long-Lasting Warmth Delivers up to 12 hours of consistent heat
- Reusable Until Depleted Seal in a zip-lock bag to slow oxygen exposure and reuse next day
Fast Delivery
Auto Delivery , Free Shipping For $100 Above Products
Item | Description | Quantity | Price |
---|---|---|---|
16990
![]() |
HEAT PACK, HAND WARMING (40PR/40PR/CS In Network - ships to arrive in 2-5 business days |
Pair of 1 |
List Price:$1.99 Price:$1.99 |

Description
N-Ferno Instant Hand Warmers – Long-Lasting Warmth, Anytime, Anywhere
The N-Ferno Instant Hot Pack Hand Warmers by Ergodyne are air-activated heat packs that provide up to 12 hours of consistent warmth, ideal for cold weather work, outdoor activities, or emergency preparedness. Designed for one-size-fits-most hand use, these disposable warmers feature all-natural ingredients that safely generate heat when exposed to air—no squeezing, shaking, or boiling required.
Perfect for outdoor workers, sports spectators, first responders, or inclusion in survival kits, each pair of hand warmers is easy to activate and resealable for reuse the next day.
🔥 Key Features:
-
Air-Activated Heat: Just open the pack—no external activation needed
-
Natural, Safe Ingredients: Heats with iron powder, salt, activated carbon, vermiculite, and water
-
Long-Lasting Warmth: Delivers up to 12 hours of consistent heat
-
Reusable Until Depleted: Seal in a zip-lock bag to slow oxygen exposure and reuse next day
-
Compact and Portable: Designed for hand warmth on-the-go, no bulky batteries or wires
-
Disposable Convenience: Great for single-use needs in cold environments
-
One Size Fits Most
📊 Specifications
Feature | Description |
---|---|
Manufacturer # | 16990 |
Brand | N-Ferno |
Manufacturer | Ergodyne |
Activation Method | Chemical Activation (Air Exposure) |
Dimensions | 4-1/2 in x 6-1/2 in |
Material | Fabric / Activated Carbon / Iron Powder / Polyethylene / Sodium Chloride / Vermiculite / Water |
Usage | Disposable |
Securing Method | None |
Target Area | Hands |
Duration | Up to 12 Hours |
UNSPSC Code | 42142108 |
Pack Size | 39 pairs per case |