Comparison : |
Item # DD 150AL, 1 1/2 Inch (in) Size Aluminum Type DD Female x Female Spool Coupler Cam and Groove Coupling Item # DD 200AL, 2 Inch (in) Size Aluminum Type DD Female x Female Spool Coupler Cam and Groove Coupling Item # DD 300AL, 3 Inch (in) Size Aluminum Type DD Female x Female Spool Coupler Cam and Groove Coupling Item # DD 3020AL, 3 x 2 Inch (in) Size Aluminum Type DD Female x Female Spool Coupler Cam and Groove Coupling Item # DD 3025AL, 3 x 2 1/2 Inch (in) Size Aluminum Type DD Female x Female Spool Coupler Cam and Groove Coupling
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