Comparison : |
Item # AL-A2015, 2 x 1 1/2 in. Size Aluminum Reducing Coupler x Female NPT Item # AL-A2030, 2 x 3 in. Size Aluminum Reducing Coupler x Female NPT Item # AL-A3020, 3 x 2 in. Size Aluminum Reducing Coupler x Female NPT Item # AL-A3040, 3 x 4 in. Size Aluminum Reducing Coupler x Female NPT Item # AL-A4030, 4 x 3 in. Size Aluminum Reducing Coupler x Female NPT
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