The best replacement for px22 is x12.

The best alternatives to px22 are rated as following:
★★★★★  x12
★★★★★  p11
★★★★  z22
★★★★  px4
★★★★  px21
★★★★  px3
★★★  x32
★★★  slyr
★★  g430
★★  sony pulse
★★  siberia v2
★★  tritton kunai
★  razer kraken
★  a40
  kunai
  dp11

Your alternative for px22 is not listed? Suggest!
Speaking about px22, one probably shouldn't forget about dss2.

Other search terms related to px22 and their ratings are:
★★★★★ dss2
You have in mind a companion for px22 and it is not yet here? Propose!



Google Trends

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px22
x12
p11