Manufacturer of wood return air grilles: hold standard-sized filters; no snap locks or retaining clips; simple installation; Architectural, Premier & Builder Series.
Marvin Windows and Doors
Manufacturer of all-wood & clad-wood windows & doors: round top, oval, casement & double hung; custom shapes & historic window replication; dual durometer, bulb & leaf weather stripping; storm windows; numerous design choices & glazing options.
