Lomanco BIB14B Black Turbine Ventilators, 14" Cleanout Plugs 4 set screws allow for

4 set screws allow for adjustment to seal uneven gaps between bottom of door and floor

24" of rip capacity for ripping 4 x 8 plywood or OSB sheets

Self adhesive application

Heavy-duty solid high-density yellow polyethylene ring construction will not crack or fade

Lomanco BIB14B Black Turbine Ventilators, 14" Cleanout Plugs 4 set screws allow forHighlights: Dia In=14 Color=Black. Internally Braced Aluminum Permanently lubricated upper and lower ball bearing system that ensures long life and no maintenance; all aluminum rust free construction; exclusive vari pitch base adjusts to 12 12 roof pitch; tested to withstand winds of 110 MPH. Easy installation and reduces winter ice buildup BIB12 Dade County Approved 07 0618. 01 BIB14 Dade County Approved 10 0928. 05 BIB12 features a 20" x 20" base