Straight-form / shape pneumatic air fitting with 19mm external HEX - for angular compensation - Festo (ESK series) - 151521 - 1 inlet + 1 outlet - with R1/4" (BSPT 1/4") male threaded conversion to R1/4" (BSPT 1/4") male threaded threaded pneumatic connection - Material Brass body - Straight / Inline - equivalent to ESK1414