FB Filter Cassettes

Inline Filter Box

MERV13 filter
Used for airflows up to 176 cfm
6" diameter plastic duct connections
Neoprene door seal
Access door removed with thumb screws

Enhanced Air Quality

Elevate your air filtration with our filter box, which integrates effortlessly into the existing ductwork. It complements inline fans and fresh air appliances by providing an additional filtration step, ensuring the air is cleaner and fresher.

Get Certified!

Choose a filter box to enhance your Leadership in Energy and Environmental Design (LEED) building design. Earn points for superior air quality and help occupants breathe easy with a MERV13 filter.