Udi - (b)(4).The certas plus valve was received for evaluation: failure analysis - the valve was visually inspected; the silicone housing was cut/torn around the siphon guard the complaint is confirmed.The siphon guard was visually inspected marks were noted in the siphon guard.The root cause for the issue reported by the customer was probably caused by a sharp or pointed object coming into contact with the silicone housing, as noted in the ifu silicone has a low cut/tear resistance.The root cause for the marks in the siphon guard were probably caused by a sharp or pointed object coming into contact with the siphon guard.
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