Sinus Relief Diffuser Oil Refill Expertly crafted in Australia, our Sinus Relief Diffuser Oil Refill combines the refreshing scents of eucalyptus, peppermint, menthol, and lavender to provide relief from nasal congestion. Its premium quality and Australian-made guarantee make it a must-have for the winter months. Available in 100ml, 200ml, and 500ml sizes. Get instant relief from sinus congestion with our expertly crafted Each bottle is carefully produced in Australia with a blend of eucalyptus, peppermint, menthol, and lavender, known for their soothing properties. This powerful combination of scents effectively relieves nasal congestion, providing you with instant comfort. Available in various sizes, each refill is crafted with premium quality ingredients, ensuring effective relief during the winter months. Sinus Relief Diffuser Oil Refill