The 819M-PFR-1.0-2.5G Gold Port Frame Port Reducer mounts onto the 2.5 inches port frame to change the port frame to 1 inch diameter. This allows accessories designed for smaller port sizes to be used with larger port frames. Coated with white reflective diffuse gold. Mount with two M3 size set screws using a 1.5 mm allen wrench, which are included with the part.

819M-PFR-1.0-2.5G金口机架端口减速器安装在2.5英寸的端口机架上，将端口机架改为1英寸直径。这允许为较小端口尺寸设计的附件与较大的端口框架一起使用。涂以白色反光的漫反射金。安装时使用两个M3大小的固定螺丝，使用1.5 mm的内六角扳手。