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Small rectangular refill cartridge with dark casing and metal contacts visible

Thermacell Mosquito Repellent Refill 40-Hr Rechargeable

SKU CH-C5B6-V36RG

Provides up to 40 hours of scent-free mosquito protection within a 20-foot zone for compatible rechargeable repellers

  • Genuine Thermacell refill works with all rechargeable repellers
  • Insert cartridge and press button for protection in 15 minutes
  • Creates 20FT mosquito protection zone without DEET sprays
  • EPA reviewed formula repels mosquitoes that may carry serious viruses
  • Scent-free operation with no smoke or open flames required

Genuine 40-hour refill cartridge

This genuine Thermacell refill provides 40 hours of mosquito protection for all rechargeable repeller models. The cartridge installs by opening the device and inserting the new unit. Protection reaches full strength within 15 minutes of activation. No cleanup of dead insects is required after use.

EPA-reviewed formula with 20-foot zone

The proprietary formula creates a 20-foot protection zone without DEET, scent, smoke or flames. Independent testing and EPA review confirm safety for people and pets when used outdoors. The refill repels mosquitoes that may transmit EEE, West Nile, Dengue and Zika viruses. Cartridge replacement is the only maintenance needed.

Check repeller compatibility before ordering

Verify that your Thermacell device is a rechargeable model, as this refill fits only those units. Confirm the repeller accepts 40-hour cartridges rather than 12-hour or 36-hour variants. Ensure you operate the device outdoors in accordance with the label. No other hardware or consumables are required.

How it compares

Measured against everything we stock in Pest Control & Bug Zappers, at today’s prices. Recalculated every night.

Price $31.99
Pricier than about 57% of the 1,637 comparable items (median $28.99).

Specifications

No published specifications for this item yet.

Questions about this item

How long does the 40-hour refill cartridge last when used with a Thermacell rechargeable repeller?

Each refill cartridge provides 40 hours of mosquito protection when inserted into a compatible Thermacell rechargeable repeller.

What physical step is required to install the refill into the repeller unit?

Open the repeller, place the new cartridge inside, then press the on button to start heating.

How long after turning the repeller on does it reach maximum protection in the 20-foot zone?

The repeller starts heating immediately and reaches maximum protection in 15 minutes.

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