V-Air Solid Evolution Freshener refill, Citrus and Mango fragrance, is a revolutionary multi-phasing air freshener cartridge. It contains a solid refill, no batteries, no liquid or harmful propellants the refill works with natural airflow. The special slatted design allows for optimum air movement around the refill. With its dual, organic seaweed, Carrageenan core and fragrance outer, the refill ustilises multi-phasing technology to ensure up to 60 days fragrance life. For use with the V-Air Solid MVP dispenser.