DescriptionProduct: Welding flangeMaterial: 304/316 stainless steelMounting diameter: ø33.7mm, ø42.4mm, ø 48.3mm, ø38.1mm, ø50.8mmMounting wall thickness: 1.5mm, 2mmMounting shape: RoundFlange diameter: 100mm, 120mmFlange shape: RoundSurface: UntreatedApplication: Indoor/OutdoorCertificates: CE