Quick Start Guide Z-2500 7.6 x 7.6 inches (19.3 cm} Walpole to clean air with Entrusts. Thank you for | ruse n S allowing us to join you on your journey towards wiliness. The air you breathe should be clean, no matter where you are in the room, Entrusts SensorPod™, PureDirect™ 72-2800 Technology & DuPont™ Filtration ensure the whole room benefits from cleaner air.