I ordered the Cubevit wet install screen protector. Went on flawless. It's a 2 pack in case you screw up. I use it with the Spigen Tough Armor case. No problems. Only $7.85 and Prime eligible

Cubevit LG V30 Screen Protector, [Case Friendly] [2 Pack] Screen Protector for LG V30, Full Coverage / Bubble Free / Easy to Install / HD Clear Wet Applied TPU Screen Protector Film for LG V30 https://www.amazon.com/dp/B0758Z9P9G/ref=cm_sw_r_cp_apa_tuYkAbDY8NTQQ