Searching for reliable, hassle-free mosquito protection? This guide focuses on OFF! mosquito repellent refills that provide long-lasting defense without skin application. Suitable for outdoor spaces, patios, and personal use, these refills are ideal for campers, homeowners with yards, and anyone who wants convenient, ready-to-use protection. The top picks below emphasize two main formats: Clip-On refills for personal convenience and coil refills for wider-area coverage. The buyer-friendly table summarizes key details to compare at a glance.
| Product | Format | Protection | Best For |
|---|---|---|---|
| OFF! Clip-On Mosquito Repellent Refills (2 Disks) | Clip-On Disk | Up to 12 hours | Hiking or outdoor work |
| OFF! Clip-On Mosquito Repellent Refill, 12 Hours (2 Count) | Clip-On Refill | Up to 12 hours | Casual outdoor use |
| OFF Clip-On Mosquito Repellent Refill, 12 Hours (Pack of 2) | Clip-On Refill | Up to 12 hours | Group outdoor activities |
| OFF! Backyard Mosquito Repellent Coil Refills (6 Count) | Mosquito Coils | Up to 4 hours per coil | Patios and semi-confined spaces |
| OFF! Backyard Mosquito Coil Refills (Pack of 2) | Mosquito Coils | Up to 4 hours per coil | Multi-coil setups |
OFF! Clip-On Mosquito Repellent Refill, 12 Hours, 2 Count

Product highlights: Each refill provides up to 12 hours of protection against mosquitoes. Formulated with 31.2% Metofluthrin and supplied as two repellent refills. Designed to work with the OFF! Clip-On Mosquito Repellent, which uses a quiet, battery-powered fan to circulate repellent around the wearer.
Best for: Individuals seeking hands-free comfort while outdoors, especially hikers, yard workers, or campers who want a simple, battery-powered personal protection solution. The two-refill pack aligns with longer outdoor sessions without frequent replacements.
Caution: Do not use on children under two years old; use as directed by product guidelines. As with all metofluthrin products, avoid inhalation of spray or direct contact with eyes.
OFF!® Clip-On™ Mosquito Repellent Refills, 2 Refills

Product highlights: No skin application is required. Offers up to 12 hours of head-to-toe protection and includes two repellent disks. Works seamlessly with OFF! Clip-On Mosquito Repellent devices.
Best for: People who want convenient, no-skin-application protection during outdoor activities, such as sports events or outdoor workdays. The two disks make it easy to extend usage without reordering frequently.
Caution: The disks should be used with compatible Clip-On devices only. Keep away from heat sources and children’s reach when not attached to a device.
OFF Clip-On Mosquito Repellent Refill, 12 Hours, 2 Count (Pack of 2)

Product highlights: Each refill lasts up to 12 hours and contains two repellent refills per pack. It uses 31.2% Metofluthrin and is designed to work with OFF! Clip-On Mosquito Repellent devices that circulate protection via an integrated fan.
Best for: Groups or families who want multiple refills ready for extended outdoor use, ensuring continuous coverage across shared spaces such as decks or campouts.
Caution: Not a topical product; ensure the device is used as directed. Store in a cool, dry place away from direct sunlight when not in use.
OFF! Backyard Mosquito Repellent Coil Refills, 6 Count

Product highlights: Designed for semi-confined outdoor areas such as porches and patios. Each mosquito coil provides up to 4 hours of protection and covers a perimeter of about 10 ft by 10 ft. The Country Fresh Scent adds a pleasant aroma to outdoor spaces.
Best for: Patio seating areas, decks, or small outdoor gatherings where a wider-area defense is preferred over personal devices. The coil format is practical for spaces with limited airflow.
Caution: Use outdoors in well-ventilated areas. Keep coils away from flammable materials and ensure pets and children cannot easily access burning coils.
OFF! Backyard Mosquito Coil Refills, Pack of 2

Product highlights: Packaged as six counts per per-pack refill, these coils provide up to 4 hours of protection and are suitable for semi-confined outdoor spaces similar to the single-pack refills. Use in areas where there is minimal breeze to maximize effectiveness.
Best for: Larger outdoor areas with multiple seating spots where reloading with several coils makes sense for sustained coverage. It’s a practical option for backyard gatherings and extended outdoor use.
Caution: As with all coil-based products, follow safety guidelines for lighting and disposal. Avoid direct contact with skin and keep away from flammable materials.
OFF! Backyard Outdoor Mosquito Repellent Coil Starter Pack

Product highlights: A metal decorative tin protects coils from weather and includes a starter pack with three coils and refills with six coils per pack. This setup is ideal for quick patio protection and visually pleasing garden decor.
Best for: First-timers who want a simple, stylish entry into coil-based protection, or anyone seeking a ready-to-use starter kit for immediate outdoor defense.
Caution: The decorative tin is weather-protective but coils must be used outdoors only. Ensure proper placement to avoid contact with surfaces that could overheat.
OFF! Backyard Mosquito Coil Refills for Patio and Deck

Product highlights: Each coil provides up to four hours of protection and is designed for semi-confined spaces such as porches and patios. The refills are sized to cover a 10 ft by 10 ft area and work best in areas with limited airflow.
Best for: Outdoor entertaining on porches or decks where wind may reduce effectiveness; coils are easy to rotate and replace as needed.
Caution: Ensure coils are used in a well-ventilated outdoor area and kept away from flammable materials. Supervise use around children and pets.
Buying Guide: Key Considerations For OFF! Refills
- Format compatibility: Clip-On refills are best for personal protection with portable devices; coil refills suit larger outdoor spaces. Choose based on your usual outdoor footprint.
- Duration and coverage: Clip-On refills typically offer up to 12 hours of protection per disk or pair, while coils provide about 4 hours per coil and cover defined areas. Plan for session length and space size.
- Safety and age considerations: Many OFF! products are not recommended for very young children or pregnant individuals; always follow label directions. Keep products away from curious kids and pets when not in use.
- Outdoor environment: Coils work best in semi-confined spaces with minimal breeze. In windy areas, personal clip-on devices may provide more reliable protection.
- Maintenance: Clip-On devices require battery-powered fans to circulate repellent; coils require proper lighting and safe disposal after use. Store refills in a cool, dry place.
- Aesthetics and practicality: Starter packs with decorative tins can combine function with patio decor, making them suitable for entertaining spaces.
FAQ: Quick Answers For Shoppers
- What is the main difference between clip-on refills and coil refills?
Clip-on refills power a personal device to create a protective zone around the user, while coil refills produce a protective area in the surrounding outdoor space. - How long does a clip-on refill last?
Most OFF! clip-on refills provide up to 12 hours of protection per disk or pair, depending on the product. - Are these refills safe for pets?
Refills are designed for human use; keep away from pets and follow all safety instructions on the package. - Can I use multiple types together?
Yes, you can use clip-on devices for personal protection and coil refills for broader area coverage, depending on the outdoor setting. - Do refills require maintenance?
Clip-on refills require no skin application, but ensure the device’s fan mechanism is functioning. Coils require proper lighting and safe disposal after use. - Where should I place coil refills?
Place coils in a stable, outdoor location away from flammable materials and surfaces that could overheat. Use multiple coils for larger areas as needed.