Your search for "fs-248" revealed the following:
Fortinet FS-248E-POE 48x 1GB RJ45 (24x PoE) 4x SFP Unclaimed Switch
SKU: NSC-0227
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Fortinet FS-248E-POE 48x 1GB RJ45 (24x PoE) 4x SFP Local Management Switch
SKU: NSN-8433
Condition: New
Shipping: Overnight Options
Warranty: 365 days