Mitigates Theft and Protects Projector For Projectors Up To 11.36 x 25 x 24.9" Compatible with Chief RPA and RPM Mounts Steel Construction Limited 10-Year Warranty For anyone looking to protect their projector from theft and damage, the Chief PG3A Extra Large Projector Guard Security Cage offers a reliable and secure solution. This sturdy cage is especially useful in public areas like school gymnasiums and can accommodate projectors with dimensions up to 11.36 x 25 x 24.9".To use the PG3A, it's necessary to purchase a compatible mount for your projector separately. The cage is designed to work with RPA and RPM series mounts from Chief, which come with threading for standard 1.5" NPT pipe. Additionally, ceiling plates that use 1.5" NPT pipe, such as the RSM and RSA series from Chief, can also be used in conjunction with this cage.Investing in the Chief PG3A Extra Large Projector Guard Security Cage is an excellent way to ensure the safety of your projector, particularly in high-traffic public areas. With its compatibility with a range of Chief mounts and ceiling plates, this cage provides a flexible and versatile solution for safeguarding your projector investment.