Grilles are manufactured of flame retardant, polypropylene that resist yellowing. White matte finish can be painted to match walls or ceiling. Available in 4, 5, and 6 inch duct sizes. • Easy installation either into the mounting frame or directly onto the duct • For supply and exhaust air • The airflow is adjusted by rotating the valve cone
Grilles are manufactured of flame retardant, polypropylene that resist yellowing. White matte finish can be painted to match walls or ceiling. Available in 4, 5, and 6 inch duct sizes. • Easy installation either into the mounting frame or directly onto the duct • For supply and exhaust air • The airflow is adjusted by rotating the valve cone
