4" Vent Guard

The Polylok Vent Guard is designed to prevent animals, insects, and debris from clogging your vent pipes. It is available to fit 4" SCHD 40 and SDR 35 and does not disturb airflow in the vent pipe. The Polylok Vent Guard is simple to install and is the perfect solution to prevent clogged plumbing lines.


  • Fits 4" SCHD 40 or SDR 35 Pipe
  • Simple to install - just insert Polylok Vent Guard into existing pipe
  • No glue or screws required
  • Low profile allows for it to blend in


Part Number

  • PAG-4

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