This Airmaster RFP4TSS extractor fan features a stainless steel finish and a 4-inch size, ideal for bathrooms and high humidity areas. It complies with part L building regulations and offers a quiet operation with 35dB noise level. The fan includes an integrated delay timer, thermal protection, and a silicon steel motor with built-in cutoff protection. It is suitable for both wall and ceiling mounting and has a removable front plate for easy cleaning. Dimensions: (W)158mm x (H)158mm x (D)40mm. CE Certified.