●Silicone packing with down-type cover provides close installation of the ceiling and blocks micro-vibration
●Stable cover installation using cover bolts
●Strengthening durability by installing the ball bearing motor
●Fire prevention and safety from overheating by installing a safety temperature fuse
●Built-in reverse flow prevention damper
●Control the water supply (Stage 1 to 3)
●Attachment of smell and smoke sensor(optional)
●Attachment of Anion generation(optional)