Your search for "AIR-AP-T-RAIL-F" revealed the following:
Cisco AIR-AP-T-RAIL-F Aironet Series Ceiling Grid Flush Clip
SKU: NSH-4339
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 19.99
• 49 in stock
Call if you need more
NEW Cisco AIR-AP-T-RAIL-F Aironet Series Ceiling Grid Flush Clip
SKU: NSN-0528
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 22.99
• Only 2 remaining
Call if you need more
NEW Cisco AIR-AP-T-RAIL-R Ceiling Grid Recessed Clip
SKU: NSN-9531
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 12.99
• Only 2 remaining
Call if you need more
Cisco AIR-AP-T-RAIL-R Ceiling Grid Recessed Clip
SKU: NSH-4340
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days