Comparison : Item # AR 1520AL, 1 1/2 x 2 Inch (in) Size Aluminum Type AR Reducing A Male x Female NPT Specialty Coupling
Item # AR 2015AL, 2 x 1 1/2 Inch (in) Size Aluminum Type AR Reducing A Male x Female NPT Specialty Coupling
Item # AR2025AL, 2" x 2-1/2" Inch (in) Size Aluminum Type AR Reducing A Male x Female NPT Specialty Coupling
Item # AR 2030AL, 2 x 3 Inch (in) Size Aluminum Type AR Reducing A Male x Female NPT Specialty Coupling
Item # AR 3020AL, 3 x 2 Inch (in) Size Aluminum Type AR Reducing A Male x Female NPT Specialty Coupling