Welcome to Spira UK Limited, AKA Ducting Online. We are leading manufacturers and suppliers of a wide range of ducting supplies, which are available to purchase by phone or fax. Whether you need a flue system, spiral pipe, fittings, or accessories like hydroponics or kitchen and bathroom fans—we have you covered. Quality should be the least of your worries because every product we put out is made using the finest materials, using the latest technology to ensure top quality. We provide competitive prices for all our products, so don’t wait and make us your top choice when it comes to getting your ducting supplies.