12½ Inch Fans

What’s available in 12½ inchUse this page to shop our fans by nominal size: everything we sell in 12½ inch is gathered here, including inline fans, plate-mounted fans, cased axial fans and flexible fan connectors.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.