The square to round adapter for the SH series diffusers allows the attachment of round duct to the square neck louvered diffuser. This square to round adaptor also includes two earthquake tabs for seismic compliant installation.
- Square to Round for SH Series Diffusers
- Square Sizes are 6"x6", 9"x9", 12"x12", 15"x15" and 18"x18"
- Steel Construction
- Standard Finish is British White