Thermacell Original Mosquito Repellent Refills — 120 hrs

Thermacell Original Mosquito Repellent Refills provide DEET-free protection when used with compatible Thermacell fuel-powered repellers. These refills create an invisible, odorless protection zone intended to reduce mosquito presence within approximately 15 feet, useful for camping, hunting, fishing, gardening, and backyard activities. The formula uses a synthetic allethrin-based repellent modeled after plant-derived compounds and has been evaluated for efficacy and safety. Compatibility includes most Thermacell fuel-powered devices; the Backpacker model is explicitly excluded in the provided product information.

Key Specifications

• The product provides up to 120 hrs of mosquito protection.
• Creates an effective protection zone of approximately 15 ft.
• The refills are formulated to be DEET-free.
• The visible color of the refill components is White.
• Includes a combination described as ten 12-hour fuel cartridges and thirty 4-hour repellent mats in the detailed product description.
• The refill system uses heat activation from a compact fuel cartridge (no wires or batteries required).
• The repellent mats are described as odorless and change color to indicate replacement time.
• The product is presented as compatible with most Thermacell fuel-powered units (Backpacker model excluded per description).

These refills simplify extended outdoor protection without topical DEET application or strong scents. Whether preparing for multi-day outings or everyday time on the patio, the Thermacell Original refills offer a hands-free, discreet option to reduce mosquito activity so you can focus on your outdoor priorities.

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