RS34 Radius Flush Mount Double Deflection Spiral Diffuser 14 x 6 RPI Return Grille Square collar designed for 22”

Square collar designed for 22” × 22” duct only

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 30" Duct Opening (front blades parallel to shortest dimension)

One piece constructed 1" wide flange frame for concealment of rough wall opening

1/2" spacing dual angular louvers for strength and maximum free area

RS34 Radius Flush Mount Double Deflection Spiral Diffuser 14 x 6 RPI Return Grille Square collar designed for 22”Standard Features Double deflection radius mount spiral pipe grille with adjustable blades Front blades are parallel to the shortest dimension Back blades are parallel to the longest dimension Allows for 4 way airflow Nylon bushings on adj. blades prevent metal on metal rattle One piece curved frame with gasket fits flush to spiral pipe Product sizes available to fit spiral pipe diameter 8 48. Spiral pipe diameter must be 4 larger than the width of