New, sealed & unused ✅ Smoke & Pet-free home ✅ Key Product Features: Cleaning: Formulated to quickly remove dirt, grime, and insect deposits, providing a streak-free finish. Year-Round Use: Contains a freezing inhibitor that makes it suitable for use in both summer and winter. Protection: When undiluted, it offers freeze protection down to -2°C. Efficiency: A 2.5L bottle can make up to 5 litres of usable fluid depending on dilution