All 12" Internal Width Channels (GRP) Home » Products » Trench Drains » Glass Reinforced Polyester (GRP) & Plastic Trench Drains » GRP Channels » 12" Internal Width Channels (GRP) T3000-PB-13 12″ Glass Reinforced Polyester (GRP) Channel with Galvanized Steel Edge Rail T3000-PB 12″ Glass Reinforced Polyester (GRP) Channel with No Edge Rail T3000-LT 12″ Internal Width (GRP) Lint Trough
