Fantech FANRESPF150T

250mm (10″) Rapid Response Header Box Exhaust Fan, 3-15 Minute Adjustable Run-On Timer, Provides Stronger Air Flow Performance To Ensure Steam Is Cleared From Rooms, Advanced Impeller & Housing Design Provides Powerful Air Flow & Minimises Noise,  Can Be Retrofitted Into An Existing Standard 10” Round Fan Cut Out, Low Resistance Non-Return Backdraft Damper Maximises Air Flow Performance