Stauff RE 031 Q 10 B 4 OBE Montagestrip 1 4'' 8024986170689 Ventiel 5 2 1 4'' Hendel blank filter Element 1 4'' 8024986170689 Ventiel 5 2 1 4'' Hendel 90 Bistabiel Elbow Bulkhead Fitting Size Type: 10L Glass Fibre Outer Diameter (mm): 63 Inner Diameter (mm): 28 β ratio >200