Waterway Poly Storm Gunite Jet Internal [3 3 8" FD] [Massage ] [Scallop] [Threaded] [Black] (229 8031) repairfittings A dedicated install tool helps A dedicated install tool helps the work go more smoothly by giving the installer a better way to engage the specific geometry of the micro jet hardware this housing helps restore a stronger valve foundation and supports a more dependable dial valve repair overall A part like this is useful because it restores a more specialized user facing jet feel while maintaining a darker The massage format makes this Waterway internal well suited for users who want more than a simple directional insert