Medium Base Socket Extension EBSA

Socket Extension Adapter. Mainly used with housings that have a fixed (stationary) socket and you are wanting to use an adjustable trim. Example: Halo brand 4" housings have a fixed (stationary) socket. If you plan on using a Halo housing with on of the following adjustable trims: C998, C978, C429, C78, C430, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14 or C15, you will need this Socket Adapter.