Designed to provide extra air flow into and out of the box allowing the audio/ video equipment to remain cool. Includes a lock and key. Designed to provide extra air flow into and out of the box allowing the audio/ video equipment to remain cool. Panel is designed to work with the ECB2SP, ECB2SP-CR, and ECB2SP-RLNK boxes and is powder coated white to match the enclosure. The panels are field paint-able to match the room decor. Includes a lock and key.