The best replacement for protank 2 is aerotank.

The best alternatives to protank 2 are rated as following:
★★★★★  aerotank
★★★★★  iclear 30
★★★★★  protank 2 mini
★★★★  evod
★★★★  iclear 30b
★★★★  aspire bdc
★★★  aspire nautilus
★★  iclear
★★  nautilus
★  unitank
★  vivi nova
★  protank 3
★  kayfun
  protank
  mini protank 2

Your alternative for protank 2 is not listed? Suggest!
Speaking about protank 2, one probably shouldn't forget about mvp.

Other search terms related to protank 2 and their ratings are:
★★★★★ mvp
★★★ vamo v3
★★ provari mini
★★ evod
★★ ego twist
★ provari
★ k100
★ vision spinner
vamo
You have in mind a companion for protank 2 and it is not yet here? Propose!



Google Trends

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protank 2
aerotank
iclear 30