FITS NO BIGGER THAN 14.37” x 4.33” DUCT OPENINGS – Designed for standard HVAC openings ensures accurate fit for wall or ceiling installations indoors or outdoors. HEAVY-DUTY METAL BUILD – Crafted from premium rust-resistant metal with UV-stabilized coating for durability and long-lasting color. BUILT-IN PROTECTIVE SCREEN – Integrated fine mesh blocks dust and particles from entering ducts while maintaining steady airflow. LOUVRED FOR AIRFLOW CONTROL – Angled slats improve ventilation reduce wind rain and snow intrusion keeping indoor air cleaner. EASY DIY INSTALLATION – Pre-drilled screw holes match standard openings allowing quick setup in bathroom kitchen office or garage. (SCREWS NOT INCLUDED) VENT SYSTEMS is a company with a long tradition and experience. We provide innovative solutions in the field of ventilation of premises. We are constantly striving to develop and deliver even better, more advanced and more efficient technologies that would enable our customers to enjoy healthy fresh air indoors. All products undergo thorough quality control. We also have a professional service and periodic maintenance system for maintaining system reliability for many years. We have created the value of the VENT SYSTEMS brand by putting particular emphasis on: QUALITY OF THE PRODUCT - WIDE RANGE OF PRODUCTS - MEETING THE CUSTOMER'S NEEDS.