Be certain ducting is the correct measurement - whether it is much too little, it is going to prohibit airflow, and if the ducting is too massive, it can lead to extreme sounds. Satisfactory air flow via the indicates of the two kitchen extraction and contemporary air substitution is required https://commercialkitchenextracts78999.blog4youth.com/37644812/the-2-minute-rule-for-grease-tight-extract-ductwork