SL9682 External Multi Fit Gravity Flap White 100mm Securlec

129 x 129mm vent - 100mm spigot for easy connection
Gravity-operated flap - automatic opening and closing
Prevents backdrafts - also keeps out debris and insects
Durable - weather-resistant materials for long-lasting use
Easy to install - Multi-fit, can be used with round or flat (square) ducting
versatile - suitable tor residential commercial or industrial use
Essential ventilation - for kitchens, bathrooms or utility rooms
Not suitable for gas appliances