Stauff FI T 42 28 42L W3 Balgaccumulatoren Straight Standpipe Reducer Size blank filter Element Straight Standpipe Reducer Size Type1: 42L Size Type2: 35L Cutting Ring&Nut On Standpipe Steel Size: 18L 1 2 BSP Zinc Nickel Plated Tee Reducer Size Type1: 42L Size Type2: 28L Size Type3: 42L Fitting Body only Steel