Envirovent EBB 100mm/4" Centrifugal Fan With Timer White - EBB-100N-HTThe Envirovent EBB Standard Range is a series of high-performance centrifugal bathroom extractor fans designed to remove excess moisture, unpleasant odours, and pollutants from your bathroom or toilet. These fans are an effective solution to condensation and dampness problems, which can lead to the growth of mould and bacteria, as well as damage to walls and ceilings. The EBB Standard Range is available in three models: EBB-100N, EBB-170N, and EBB-250N, which differ in their airflow capacity, noise level, and features. All models are designed for continuous operation, ensuring efficient air exchange and preventing the build-up of stale and humid air. One of the key features of the EBB Standard Range is its adjustable humidity sensor, which detects changes in humidity levels and automatically adjusts the fan speed to