Manrose SF100S 100mm/4\" 240v Standard In-line Axial Fan Kit, Designed for the safe ventilation of bathrooms, toilets and shower rooms, the Manrose SF100 (100mm.Manrose\'s Shower/In-line Fan Range has been designed for the safe ventilation of bathrooms, toilets and shower rooms.The SF range removes any risk of electric shock in wet areas as the fan is mounted remotely.Powerful, yet extremely quiet in operation, the extract rate of the SF100/100T is 85m/hr 23 litres per second.The units are manufactured using high impact ABS thermoplastics for strength and durability, aesthetics and easy cleaning.   This comes with the fan unit, one length of PVC flexible ducting up to 3m, one internal and one external wall grille, fixing screws, plugs and straps to secure the duct to the grilles