Delta Single Handle Wall Mount Rough-In Valve - R3510-WLDelta Single Handle Wall Mount Rough In Valve R3510 WL Wall mount lavatory rough in valve designed for Delta single handle wall mounted bathroom faucet trims. Features Rough in valve for Delta single handle wall mounted bathroom faucets Compatible with Delta wall mount lavatory faucet trim kits Forged brass body provides durability and long term reliability behind the wall Rough in only trim kit sold separately Includes valves and plaster guards for