Wade 310NHR is a single right hand horizontal water closet carrier fitting that includes internal baffles and optional 2" auxiliary taps on both sides. It is designed to be used with 4" plastic closet coupling and has a maximum "C" dimension of 13". The fitting is made of neoprene and has a washer/nut for a secure connection. The "X" dimension should equal the fixture rough-in height, and the lugs are removable in 1/2" increments to ensure a proper fit.