Thermacell Rechargeable Mosquito Refill – 72 Hr Pack (ER236CA)

Keep your outdoor spaces bug-free without sticky lotions or heavy sprays. The Thermacell 72-Hour Rechargeable Repellent Refill Pack (Model ER236CA) provides continuous, scent-free defense against biting mosquitoes so you can enjoy your patio, backyard, or campsite in peace.

Powered by advanced heat-activated technology, each sealed liquid cartridge creates an invisible 20-foot zone of protection. Simply insert a refill into your rechargeable Thermacell repeller, turn it on, and relax.

Key Features

• 72 Total Hours of Defense: Includes two high-capacity 36-hour refill cartridges for long-lasting coverage.

• 20-Foot Protection Zone: Expands your safe zone up to 20 feet (6 meters) to protect family and friends.

• No Sprays, Lotions, or Chemical Odor: 100% DEET-free, scent-free, and smoke-free. Leaves no greasy residue on skin or clothing.

• Spill-Proof & Travel Ready: Fully sealed liquid cartridges are safe for transport in backpacks, gear bags, or luggage.

• People & Pet Friendly: Independently tested for safety and effectiveness when used as directed outdoors.

Device Compatibility

Fits all Thermacell Lithium-Ion Rechargeable Repellers:

• E-Series & E-ZoneGuard Repellers (E55, E55X, E90)

• EX-Series Outdoor Repellers (EX55, EX90)

• EL-Series Glow Light Repellers (EL55)

• Radius Zone Mosquito Repeller

Note: Not compatible with fuel-powered (butane cartridge or mat) repellers.

How to Use

1. Ensure your Thermacell rechargeable repeller is powered off.

2. Remove the top cover or cap from the device.

3. Unscrew the protective travel cap from the 36-hour liquid refill.

4. Insert the cartridge upright into the device until securely seated.

5. Replace the top cover and turn on the unit. Allow 10–15 minutes for full 20-ft zone activation.

Product Specifications

• Model / SKU: ER236CA

• Active Ingredient: Metofluthrin (5.5%)

• Package Includes: (2) 36-Hour Liquid Cartridges

• Total Protection Time: Up to 72 Hours

• Coverage Area: Up to 20 ft (6 m)

• Scent: Odourless / Unscented