Metroflush 1.28 GPF Exposed Piston Flush Valve for 1-1/2" Top Spud Water Closets with 11 1/2" Rough-In

1.28 GPF, Metroflush piston operated exposed closet flush valve, for water closets, exposed, quiet type, chrome plated flush meter valve with polished exterior, chloramine resistant piston with a clog resistant, filtered by-pass, ADA compliant with a non-hold open & no leak handle feature, high back pressure vacuum breaker, one piece hex coupling nut, adjustable tailpiece, spud coupling & flange for top spud connection, control stop has internal siphon-guard protection, sweat solder kit, cast wall flange with set screw, internal seals are made of chloramine resistant materials.