ECONOMY PANEL GASKET IS AVAILABLE IN EITHER A BLACK THERMOPLASTIC ELASTOMER OR GRAY SILICONE RUBBER. IT RECESSES IN A T-SLOT TO SECURE PLASTIC PANELS, PLATES, AND MESH AND IS EASILY INSERTED AFTER A PANEL HAS BEEN PLACED IN THE T-SLOT. THE ECONOMY PANEL GASKET CAN BE ORDERED BY THE FOOT (METER) OR IN 150 FOOT (45.7 METER) ROLLS. TIP: CUT ENDS AT A 45 DEGREE ANGLE FOR CORNER CONNECTIONS TO AVOID OVERLAP OR CRASHING.