| Shipping | Tax | Terms Shopping Cart 0 Items Request for Quote 0 Items All Categories > Kaeser Products > Compressed Air Piping > 3/4 to 2-1/2 Inch (in) Nominal Diameter Aluminum Compressed Air Plug-in Reducers > Advanced Search Advanced Search in 3/4 to 2-1/2 Inch (in) Nominal Diameter Aluminum Compressed Air Plug-in Reducers Enter at least one criteria to search items. Diameter D (mm) 25 40 50 63 Diameter D2 (mm) 20 25 40 50 Dimension A (in) No Preference 1-13/16 2-5/16 2-3/8 2-7/8 3-5/16 3-3/8 Dimension E (in) No Preference 1-5/16 2-1/16 2-1/4 2-11/16 3-1/8 Dimension L (in) 1-3/8 1-7/16 2-1/4 2-11/16 Dimension S (in) 1-1/8 1-7/16 2-1/16 2-5/8 Maintain Your Air Compressor Learn more about maintaining your air compressor by downloading our eBook on air compressor maintenance. Download eBook