; Locking capability to limit the leaking of the hose ; Cover for bite valve to protect from debris and particles ; Universal fit helps connect to most hydration systems ; Insulated hose cover helps to keep temperature down ; Please note this bite valve is only compatible with SKUS 67524-1909 and 67525-1909. Will not work with older reservoir models.; Weight: 0.88 lbs.Body Dimensions: 5.5" x 3.19" x 0.88"