1.5" 43 mm solvent fit hose tail,fits in to any 43 mm glue fit fitting, such as a elbow,tank connector, kockney koi ball valve,Yamitsu uv etc.
5 step Fits on hose sizes 1"/25mm, 1.25"/32mm and 1.5"/38mm
plus 1/2"/13mm and 3/4"/19 mm