Your search for "QSFP-100G-FR" revealed the following:

NEW Arista QDD-400G-XDR4 400GBASE-XDR4 2km over parallel SMF QSFP-DD Transceiver

SKU: NSN-6733
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Arista OSFP-400G-XDR4 400GBASE-XDR4 up to 2km over parallel SMF OSFP Transceiver

SKU: NSB-5210
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days