4" Ventis Direct Vent Square Ceiling Support - VDV-CSS04
This square ceiling support can be used on cathedral, flat, or sloped ceilings. Firestop required when passing through non-insulated floor or ceiling.
WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.