Your search for "ONS-CFP2-WDM" revealed the following:
Cisco ONS-CFP2-WDM 100GB QPSK/200G 16-QAM WDM CFP2 Transceiver
SKU: NSH-7175
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 184.99
• 26 in stock
Call if you need more
NEW Cisco ONS-CFP2-WDM 100GB QPSK/200G 16-QAM - WDM CFP2 Transceiver
SKU: NSN-2414
Condition: New
Shipping: Overnight Options
Warranty: 365 days