The Da-Lite 36437 Model C is a reliable manual projection screen designed for larger rooms, offering smooth and durable operation. It features permanently lubricated steel ball bearings combined with nylon bushings and a heavy-duty spring assembly, ensuring effortless screen deployment and retraction. Please note, the Model C does not include the Controlled Screen Return (CSR) feature, which is available in the Model C with CSR for a quieter, smoother return to the case. This screen comes with a standard white powder-coated finish, with a black finish available upon request, and includes a pull cord for easy operation. The optional floating mount brackets allow for flexible installation on wall or ceiling studs, and can be aligned left or right to accommodate various setup needs. The Model C is an ideal choice for classrooms, conference rooms, or larger meeting spaces, providing a high-quality viewing experience with reliable, manual control.The Da-Lite 36437 Model C is a reliable manual projection screen designed for larger rooms, offering smooth and durable operation. It features permanently lubricated steel ball bearings combined with nylon bushings and a heavy-duty spring assembly, ensuring effortless screen deployment and retraction. Please note, the Model C does not include the Controlled Screen Return (CSR) feature, which is available in the Model C with CSR for a quieter, smoother return to the case. This screen comes with a standard white powder-coated finish, with a black finish available upon request, and includes a pull cord for easy operation. The optional floating mount brackets allow for flexible installation on wall or ceiling studs, and can be aligned left or right to accommodate various setup needs. The Model C is an ideal choice for classrooms, conference rooms, or larger meeting spaces, providing a high-quality viewing experience with reliable, manual control.