*Super Slim Range is specially designed with super slim casing and compact structure for limited ceiling space installation * Welding joint design casing for durable and aesthetical needs * Metal casing serves the requirement of fire retardant. *Capacitor run induction motor is adopted with lower input power, high performance, long durability and reliability * Detachable cassette type discharge opening is designed for convenient ducting, installation and maintenance * Various aesthetically pleasing design louvers for selection. * Mounting feet are included for easy suspending and ceiling installation. Same height level of inlet and outlet allows an intermediate position for ducting system. *Metal Sirocco Fan (TUB215, TUB18M) : well balanced, high graded aluminum high pressure forward curved centrifugal fan for quiet and stable operation. *Plastic Sirocco Fan (TUB18, TUB25) : well balanced plastic forward curved centrifugal fan for quiet and stable operation.