GROHE Rough-in for wall shower union 27 621

GROHE Rough-in for wall shower union 27 621 for grid installation of Grohtherm Custom Shower system
build-in box with removable protection cover
waterproof membrame base for wall sealing 
flushing plug
for masonry and drywall installation
fixing points for front and back wall 
body of DR brass
1/2" connections
installation depth 70 - 95 mm