Cheap And Discounts SFP 10G LC 20KM dual fiber 1310nm sfp+ 20KM cisco compatible Industrial grade SFP+ Transceiver Industrial grade -40-85 Celsius Wholesale. Buy Directly From Merchant ANDDEAR MIWEIHUA Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.