4 Inch Filter Box - Inline Duct Filter for Round Duct - Galvanized Steel Air Filter with EPDM Rubber Seal Gaskets - Intake Filter Ventilation - Air Filtration System for Home

About this item

• HVAC filter overall dimensions are 6.49 x 6.30 x 5.91". Duct connection diameter of the vent filter is 3.89".
• Duct-mounted filter box, designed for easy installation into round ducting, offering efficient air filtration for improved air quality. The box, made of galvanized steel sheet, includes fastening clasps and the EPDM gasket ensures a sealed and durable connection.
• It can be used to filter air in round ductwork, including spiral-wound ducts. Constructed for easy filter element replacement, quick and easy to install.
• The filter elements for the box are sold separately. These filters are designed to trap particles such as dust, dirt, and lint. Available options are EU3 filtration class, both I-shaped and W-shaped.
• This air filter box is ideal for effective air filtration in indoor spaces - home, office, school, hospital, and other residential and commercial applications. Great home air filter for any room.