Yes It is required and recommended to use. Is your extractor fan causing a fuss? Don’t let a malfunctioning extractor fan ruin your day! We understand the urgency of having a properly functioning extractor fan, especially during emergencies. That’s why we’re here to offer swift and reliable Emergency Extractor Fan Repairs. Don’t let a malfunctioning extractor fan add to your stress during an emergency. Contact us now for fast and effective extractor fan repairs!