This 4" ID Wall Eye Wall Port fits a thickness range from 1/2" to 5/8", making it a perfect solution for most ceiling tile applications. This units installs in a 4 7/8" - 5" hole with just a couple of twist, the unit threads together, locking in place. Once installed you have a 4", dressed through hole that creates an aesthetically pleasing opening from one side of the barrier to the other.
