Thermacell Mosquito Repellent Refill Size:10 Pack (120 Hours) Thermal fog is better for

Thermal fog is better for reaching into smaller spaces than wet fog produced by majority of ULV foggers

Non-irritating

It just spends a second to maintain next fly catching cycle

There is a learning curve to applying a thin layer of dust rather than clumps of dust

Thermacell Mosquito Repellent Refill Size:10 Pack (120 Hours) Thermal fog is better forTested and approved by the US Army "this is the most effective area wide mosquito repellent in the world", Dr M Perich, Director Walter Reed Army Institute USA. Approved by the APVMA. Provides 25 square metre area of protection. 12 hours of continuous repelling. Harmless to humans and pets, works effectively within 10 minutes MATS Each mat lasts up to 4 hours. Mats can be stored for long periods of time A mat can be used for short periods of time;