Date: 07/29/2007 Views: 3347
Date: 05/19/2008 Views: 8754
Date: 05/23/2009 Views: 5112
Date: 08/23/2023 Views: 693379
These black polyethylene fittings used in the vent system were a huge mistake. Do NOT use polyethylene fittings. Use nylon, brass or stainless steel.