All models are fitted with a built-in spring operated non-return flap into the discharge spigot to stop backdraughts. There are seven models in each series. The CF100 has an extract rate of 90m3/hr 25 litres per second. The units are all manufactured using high impact ABS thermoplastics for strength and durability, aesthetics and easy cleaning. Power to the CF100 range is provided by a single phase induction motor with pre-oiled bearings for a long, maintenance-free life.