HOLLAENDER 46-6 Structural Pipe Fitting, Base Flange, Aluminum, 1 in Pipe Size,
Rectangular Base Flange, Rectangle, For Pipe Size 1 in, Corrosion Resistant Yes, Aluminum, Gray, Mill, For Actual Pipe Outer Diameter 1 3/8 in, Overall Length 3 1/2 in, Flange Base, Inside Diameter 1 3/8 in, ASTM B179 535