Possibly buying a G6. Will the international version work with Fi?

Before everyone starts going crazy, yes I am aware that I only get access to T-Mobile. I'm just curious if this phone will work on T-Mobile without issue -

http://www.ebay.com/itm/LG-G6-H870DS-64GB-FACTORY-UNLOCKED-5-7-QHD-Dual-Sim-Black-White-Platinum-/201854942636?var=&hash=item2eff7dfdac:m:mUfPfL5imb8c9r9PtyHpSaA