Date: 08/10/2009 Views: 6015
Date: 11/29/1999 Views: 7844
Date: 06/07/2008 Views: 6163
Date: 08/23/2023 Views: 803757
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.