... DESCRIPTIONS:a.SPRINKLER ,PENDENT , BRASS ,68oC, 1/2" b.SPRINKLER ,UPRIGHT , BRASS 68oC, 1/2"c.SPRINKLER ,CONVENTIONAL , BRASS 68oC, 1 ... .SRPINKLER 3/4", BRASS ,PENDENT 68oCf.SPRINKLER 3/4", BRASS UPRIGHT 68oC6.Fire Sprinklers,pendent.use to on the ceiling or ...