Attwood transom shower installs flush and includes a hinged cover. Housing and cover are made of high-impact, UV resistant, engineering-grade plastic. Installs with 6 #8 fasteners (not included). White nylon hose is 6' long and hot/cold mixer is corrosion resistant plastic. 1/2" male thread connectors to connect to water supply. 9-1/2" long x 5" wide, requires a 8-1/2" x 3-7/8" cutout. Only 2-1/4" deep.