- BSI Citronella Spirals Ref 64611 for effective outdoor protection - Pack of 10 units with included stainless steel burning box - Up to 60 hours of total protection against mosquitoes and pests - Made with natural ingredients: fir fibers, citronella oil, natural latex, and cellulose - Durable metal box prevents the spread of burnt particles - Easy to use: light the tip, place the spiral in the box, and cover with the lid - Releases white smoke that acts as a repellent barrier - Safe, eco-friendly product with no artificial chemicals - Ideal for gardens, terraces, camping, and outdoor activities - Each spiral measures 14.5 cm in diameter