WRPFD-44: Plexiglass Front Door, Fits 44 Space WR Series Racks, Black Finish The WRPFD-44 Plexi Front Door from Middle Atlantic is an optional door designed for use with 44-space WR Series Roll Out Rotating Enclosure Systems. The door provides an additional layer of security and protection for your set up. The WRPFD-44 door provides 3" of clearance from the enclosure, and has been designed to be installed on the WR-44-32 and WR-44-42.