The 4ALL® BOX for Washing Machine applications is the ONLY box preventing hidden in-wall leaks with valve-to-pipe connections fully sealed within the box and secondary O-rings to seal box to pipe. All models include two (2) USA made FlowTite 4ALL ¾” outlet stop valves with polymer arresters that carry a 10-year warranty, factory installed in bottom position. 3-way mounting: front & back support tabs for sturdy stud mount, a unique pipe supported design for center mount between studs and a versatile design for dual stud bay mount with separate drainage. All models also include a sturdy protective cover. Available for Copper, CPVC or PEX pipe.