The best replacement for pcv is breather.

The best alternatives to pcv are rated as following:
★★★★★  breather
★★★★  hematocrit
★★★  ppv
★★★  breathers
★★★  bazzaz
★★★  hct
★★  pciii
★★  egr
★★  ppsv
★  pc3
★  power vision
  no pcv
  juice box pro
  dfv
  temozolomide
  temodar

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

Other search terms related to pcv and their ratings are:
★★★★★ breather
★★★ no breather
★ catch can
You have in mind a companion for pcv and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of pcv in all years. Click on graph for more.
pcv
breather
hematocrit