Home Nonmetallic Enclosures Polycarbonate Enclosures 4x4 to 20x16 - Polycarbonate Enclosures Lift-Off Screw Covers Lift-Off Screw Covers - Clear Polycarbonate Hinged Screw Covers Hinged Screw Covers - Clear Polycarbonate Nonmetal Snap Latch Hinged Covers Nonmetal Snap Latch Hinged Covers - Clear Polycarbonate Metal Snap Latch Hinged Covers Metal Snap Latch Hinged Covers - Clear Polycarbonate Wall Mount Enclosures