1/3" face bar spacing with 7/8" turnback frame. 22° down deflection. All steel construction. Duct size is listed size with overall size listed size plus 1-1/2"
AmeriFlow registers, grilles and diffusers are designed to fit standard duct openings. For floor applications, measure both the width and length of the existing duct opening. An opening of 4"x10" requires a 4x10 register. When ordering sidewall/baseboard products, specify the horizontal dimension first.