Select a Product Part NumberStyleSize WS-BISO-250-005BISO2", 2 1/2" WS-BISO-300-005BISO3" WS-BISO-400-005BISO4" WS-BISO-600-005BISO6" WS-SISO-100-005SISO1" WS-SISO-200-005SISO1 1/4", 1 1/2", 2" WS-SISO-300-005SISO2 1/2", 3" WS-SISO-400-005SISO4" WS-BISO-150-005BISO1", 1 1/2"