The machine occupies minimal space in my room and performs exceptionally well. It operates quietly on the low setting, though it gets a bit noisy on high. It effectively cleans the air, leaving me very satisfied overall. I'm impressed by its efficient performance and user-friendly design. Its ability to remove allergens and odors enhances indoor air quality significantly. While the innovative “Never Change” feature eliminates the need for filter replacements, it may come with a higher initial cost. Nonetheless, it remains a dependable and convenient choice for purer air.