Smart Vent canopy extraction systems offer caterers a real alternative to expensive, bespoke kitchen ventilation. Modular in design and robustly constructed, they can be produced quickly to meet challenging installation deadlines and are suitable for use with both gas and electric cooking equipment. Please Note: This item is non-returnable. SmartVent Canopies will now be supplied with a wall mounted variable fan speed controller enabling operators to select the required level of ventilation to suit kitchen output throughout the day.