The Vents PS101 Passive Wall Vent is a practical solution for bringing fresh outdoor air into homes, cottages, cabins, offices, and other residential or light commercial spaces without the need for powered ventilation. Designed for through-wall installation, this passive fresh air vent helps improve indoor air quality while keeping windows closed. Ideal for spaces that need simple, reliable background ventilation, the PS101 helps reduce stale indoor air while limiting the dust, drafts, and street noise often associated with open-window airflow. During colder months, it can also help reduce heat loss compared to traditional window ventilation, making it a smart option for maintaining comfort while supporting everyday energy efficiency. The Vents PS101 can also be used to support room-to-room airflow in homes or buildings without ductwork. Commonly installed above or near a window on an exterior wall, it features a telescoping inner sleeve, an interior airflow regulator, and an external grille for a clean, finished appearance. Whether you are improving ventilation in a house, tiny home, cottage, or office, the PS101 offers a simple and effective way to bring in fresh air without the complexity of a powered system. Need more information on the benefits of passive through wall ventilation? Read our blog here. Need larger quantities?We work with contractors, developers, and builders across North America. Call us toll-free or email our sales team - we’ll get you great pricing for your project. Key Features: Designed for passive fresh air ventilation Fits a 4 1/16" wall opening Telescoping inner sleeve adjusts from 5 1/8" to 8 1/16" Includes internal grille airflow regulator External grille included Helps reduce the need to open windows for fresh air Can be used for room-to-room airflow in spaces without ducting Suitable for homes, cottages, cabins, tiny homes, and offices Backed by a 2-year warranty
