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Finding an"official" foam filter for that location might be an adventure, any piece of open cell foam (stuff you can blow through) that doesn't melt in oil/gas would work.
Seepage from the PCV hoses isn't an issue, once they get soft so they can collapse or get holed to let air in it's a problem.
Look decent in the pictures, only you can look for any holes or feel that they're still firm.
Seepage from the PCV hoses isn't an issue, once they get soft so they can collapse or get holed to let air in it's a problem.
Look decent in the pictures, only you can look for any holes or feel that they're still firm.