Your search for "fg-tran-qsfp+sr" revealed the following:
NEW Cisco Meraki MA-QSFP-40G-CSR4 40GB BASE-CSR4 MPO12 MMF QSFP Transceiver
SKU: NSN-8324
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme 10319 40GB BASE-SR4 850nm MPO MMF QSFP+ Transceiver
SKU: NSN-5558
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Dell QSFP-40G-ESR4 40GB BASE-ESR4 Extended Short Reach MMF QSFP+ Transceiver
SKU: NSB-5938
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco Meraki MA-QSFP-40G-LR4 40GB BASE-LR4 1310nm SMF QSFP+ Transceiver
SKU: NSN-8323
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Juniper SRX-QSFP-40G-LR4 40GB BASE-LR4 850nm MMF QSFP+ Transceiver
SKU: NSB-4608
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Ruckus E40G-QSFP-SR4-INT 40GB BASE-SR4 850nm OM3 MMF QSFP+ Transceiver
SKU: NSN-1020
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco QDD-400G-LR4-S 400GB BASE-LR4 1310nm SMF LC 10km QSFP-DD Transceiver
SKU: NSB-2431
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco QSFP-40G-ER4 40GB BASE-ER4 1310nm SMF w/ OTU3 QSFP Transceiver
SKU: NSN-2309
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Arista QDD-400G-SR8 400GB BASE-SR8 100m Parallel OM4 MMF QSFP-DD Transceiver
SKU: NSB-5242
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Arista QSFP-40G-SRBD 40GB BASE-BIDI 850nm BiDI MMF QSFP+ Transceiver
SKU: NSN-5550
Condition: New
Shipping: Overnight Options
Warranty: 365 days