300mm Dampers

What’s available in 300mm

Use this page to shop our dampers by duct size: everything we sell in 300mm is gathered here, including intumescent fire blocks, circular fire dampers, single blade dampers and blast gate dampers.

Alpha Air is a Leicester-based supplier of commercial and industrial ventilation equipment. Order stocked lines by 3pm and they ship for next-working-day delivery.

Alpha Air Ventilation Supplies is a Leicester-based supplier of commercial and industrial ventilation equipment, serving trade and business customers across the UK.