THERMEX In-line duct fan td 350/125 – model silent

Compact duct fans that are quiet and efficient. The TD series is intended for insertion on ducts or flexible hoses. The TD series can be separated for cleaning without removing the duct or flex hose. The TD series is especially suitable for mounting on ceiling for extraction from the toilet or bath. With its sound level as low as 24 dB (A), TD-Silent is the world's quietest fan in its class.