Your search for "SFP-10G-BXU-I" revealed the following:
NEW Cisco SFP-10G-BXU-I 10GB Single-Strand BASE-BX10-U 1270nm BiDi SMF SFP+
SKU: NSN-4378
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 1,469.99
• 10 in stock
Call if you need more
Cisco SFP-10G-BXU-I 10GB BASE-BX10-U 1270nm Bidirectional SMF SFP+ Transceiver
SKU: NSH-4627
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 1,425.99
• 13 in stock
Call if you need more