AC Infinity 4 Inline Filter Box for Whole House HVAC Filtration

Introducing the duct filter box, specially designed for use with inline fans to effectively circulate fresh air while preventing dust and odors from entering your space. Constructed with durable 1mm thick cold-rolled steel and aluminum duct flanges, this filter box is capable of withstanding extreme weather conditions. The slide lock door provides easy access to the inner chamber, while the soft neoprene layer ensures a dust-free seal. Additionally, the box comes equipped with a standard high efficacy filter that is designed to trap particles such as dust, dirt, lint, and odors, ensuring that only clean, fresh air passes through. Measuring at 23.46 x 8.42 x 11.73 inches, this filter box is suitable for use with 4-inch inline fans, with a maximum capacity of 400 CFM. It also accepts 12 x 20 x 1 inch filters, making maintenance and upkeep a breeze. Don't let dust and odors invade your space - invest in a high-quality duct filter box to ensure that your air remains clean and fresh at all times.

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