Stainless Steel Sight Glass Material: SS304,SS316,SS316L Type: weld end, clamp end, thread end stainless steel sight glassDescription: 1)Sight glass 2)Standard: DIN, SMS, ISO, 3A, IDF, RJT available 3)Material: Sus304, sus304l, sus316, sus316l available4)Type: weld end, clamp end, thread end Are you interested in our products? please kindly contact soon. Stainless Steel Sight Glass