Replacement lens designed specifically for use with the 3-foot, 3-inch Photobeam Enclosure from Optex. This replacement lens is crafted with precision and durability, ensuring seamless integration and optimal performance with the Photobeam Enclosure. It provides reliable protection and support for the photobeam sensors, maintaining their effectiveness in detecting intrusions and triggering security alerts. The Optex AX-PTX1 replacement lens is easy to install, making it convenient for users to maintain and service their security systems without hassle.