WS-C6K-9SLOT-FAN2 - Cisco 9-Slot Chassis Fan Tray for Catalyst 6509 WS-C6K-9SLOT-FAN2 - Cisco 9-Slot Chassis Fan Tray for Catalyst 6509 $95.54
WS-C6K-13SLOT-FAN2 - Cisco High Speed Fan for Catalyst 6513 WS-C6K-13SLOT-FAN2 - Cisco High Speed Fan for Catalyst 6513 $146.44
WS-X4596 - Cisco Catalyst 4506 Fan Tray Catalyst 4500 Non-E-Series Chassis WS-X4596 - Cisco Catalyst 4506 Fan Tray Catalyst 4500 Non-E-Series Chassis $60.65