The practical Ecoscent system is designed for larger size areas that require discrete diffusion. Ideally connected to your HVAC system it will also increase efficiency by up to 50% (compared to diffusing straight into the air). Featuring either a 450ml, 2-litre or 5-litre fragrance reservoir, the Ecoscent range is all about user-friendliness and flexibility. Diffuse a scent in one or more areas at the same time, the choice is yours.