Delivery: IN STOCK. Next Day Delivery (if ordered before 11:00) Key Features: Colour: Stainless Steel, Terracotta, Black or Buff Material: Stainless Steel Head & Cast Aluminium Base Use: Suitable for use with Gas, Coal, Oil & Wood Fires Features: Anti-downdraught Pot Diameter: Designed to fit 150mm to 250mm diameter pots Certification: Tested to BS715:1993 and BSEN 1856-1:2003 Description: Brewer Aspirotor - Multifuel anti-down-draft cowl is a perfect solution for problems with downdraught. Using the wind against itself, the stainless steel turbine shaped head catches the wind causing it to rotate creating increased draw up the flue. The Aspirotor can be used with every fuel type and requires approximately 4mph winds to start rotation. 2 sizes available: Model 150 (115-180mm internal flue diameter) Model 200 (180-235mm internal flue diameter) For use on all fuel systems, gas, oil, wood, coal Tested and certificated to BS715:1993 and BSEN 1856-1:2003 Stainless steel turbine head and cast aluminium base Easy fit using four stainless steel hook bolts and wing nuts Twin high temperature (up to 200°c) oil filled bearings for a smooth, quiet operation Downloads & Data Sheets: Brewer Aspirotor Fitting Instructions Brewer Cowl Product Brochure