LASCO 17-6635 3/8-Inch Compression by 3/8-Inch Female Pipe Thread Brass Adapter 3/8 in. x 3/8 in. Female Pipe Thread length 0.95 in. Female adapter Lead free brass construction Lead free approved product in all states Used with plastic and copper tubing 3/8-Inch compression by 3/8-Inch female pipe thread