Securimax SF150T Shower Fan Kit.  With the fan mounted in the ceiling space, these in-line models are able to draw steam directly from the source before steaming up the bathroom.
Ball bearing motors to prolong motor life.
Timer model - timer is inside the fan, operates from remote light switch - fan continues to run for preset time after switching off - preset at a non-adjustable 7 minutes.  Requires 3 wires:  permanent phase, switched phase, neutral.
Performance: 871/s, 313m³/hour

Grille cut-out 160mm
Interior grille - white Eggcrate
Exterior grille - white fixed louvre
Duct type - Flexible PVC
Duct included:   5mtrs  (can be extended up to 12mtrs)
Fan height 185mm
Fan length 200mm
Fan type:  hyper
220-240V
Fan wattage 38W
Max pressure 135Pa
Fan speed 2650 rpm
Sound level 46dB(A)
Max operating temp 70