Ltpgtthe intervent nvf100t 100mm 4quot bathroomtoilet extractor fan by manrose has an integrated adjustable timer suitable for use in bathrooms ampamp toilets it has pre oiled bearings for long and maintenance free lifeltpgt ltulgt ltligttimer modelltligt ltligtwattage 20 wltligt ltligtwallceiling mountableltligt ltligtventilation extracts upto 85m3 per hour 23 litres per secondltligt ltligtsuitable for a standard 4quot ductin