Color: White/Black
Material: Plastic
Size:
《Opening Dia: 4" /101mm》: External Dia: 5-5/8" (143mm) ,Opening Dia: 4"( 101mm)
《Opening Dia: 6" /151mm》 :External Dia: 7-4/5" (198mm) ,Opening Dia: 6" (151mm) ,Cut Out Dia:6-1/3" (161mm)
《Opening Dia: 7" /180mm》 :External Dia: 9-4/5" (250mm) ,Opening Dia: 7" (180mm) ,Cut Out Dia:7-1/2" (190mm)