Lay-In Ceiling Return Air Grille, 24 In W X 24 In H Opening, 1656 Cfm, White,
Light Industrial. & Recepticles. Electrical Outlets. and Enclosures. Electrical Boxes. General Purpose. & Industrial.
14 in. x 14 in. Steel Return Air Filter Grille for Wall or Ceiling Openings
Fits most wall or ceiling openings. Steel construction with an easy-to-clean white power-coat finish. width x 16-11/16 in length. Accepts most 14 in. by 1 in.air filters.