Triple Ply Black Conveyor Belt Nitrile Friction Surface 194′ X 3-1/2 X 0.135 Jul 25, 2023 by admin in triple Triple Ply Black Conveyor Belt Nitrile Friction Surface 194′ X 3-1/2″ X 0.135″. New other (see details). Tagged with: 194', 3-12, belt, black, conveyor, friction, nitrile, surface, triple