Well-designed HVAC Register to blend in Your Quiet and Free of Draught place. Our Air Registers Bring Rooms a Fresh, Energizing Indoor Climate without disturbing you in your daily life. Please note Max recommended Airflow for this air terminal is 290 cfm (140 l/s). Higher airflows may result in noise. Specification - 14" x 6" [250x150mm] - Penetration Dimensions / Duct Connection - 16" x 8" [400x200mm] - Air Terminal Face Area - High Quality Welded Steel Construction, Robust, Scratch Resistant and Smooth Surface, No Sharp Edges - Complete with Volume Control Damper - Wrapped and Packed in a Box to prevent any damage Easy To Install The Air Grille is suitable for any system (Heating or Air Conditioning) as a Supply Air Sidewall Register, Ceiling Diffuser, Return or Extract Air Grille. Easy to install in wall, ceiling or directly on the duct. Adjustable Diffusion Pattern = INCREASED COMFORT Opposed Blade Damper (VCD) and Multi-Angled Rolled Fins allow Best Air Distribution Control. 100% Satisfaction Since our aim is to provide fresh air indoors, Engera supply high-quality products only. We are proud and confident to offer You a LIFETIME WARRANTY. We provide refunds with no questions asked! Add to Cart Now and do not worry about a thing!