Your search for "XENPAK-10GB-LR" revealed the following:
Cisco XENPAK-10GB-LR 10GB BASE-LR 1310nm Long Reach SMF XENPAK Transceiver
SKU: NSH-1052
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 19.99
• Only 2 remaining
Call if you need more
Juniper XENPAK-1XGE-LR 10GB BASE-LR 1310 nm SMF XENPAK Transceiver
SKU: NSH-4257
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• 4 in stock
Call if you need more
Cisco XENPAK-10GB-ER+ 10GB BASE-ER 1550nm Extended Reach SMF XENPAK Transceiver
SKU: NSH-5396
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 112.99
• 29 in stock
Call if you need more
NEW Extreme 10111 10GB BASE-LR 1310nm Long Reach SMF SC XENPAK Transceiver
SKU: NSN-0788
Condition: New
Shipping: Overnight Options
Warranty: 365 days