EZ-FLO's 18" x 18" Return Air Filter Grille is used for sidewall or ceiling installation. The all steel construction and powder coated finish makes this diffuser a long-lasting, durable choice. The included hardware makes fo...

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EZ-FLO's 18" x 18" Return Air Filter Grille is used for sidewall or ceiling installation. The all steel construction and powder coated finish makes this diffuser a long-lasting, durable choice. The included hardware makes for a quick and easy installation. EZ-FLO's Return Air Filter Grille will ensure maximum airflow. Outer measurements are 20-11/16" x 20-11/16".

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