Fresh Water Fitting; Qicktite ® Unassembled; Coupler; Straight Fitting; For Use With PEX/ Copper/ CPVC/ PB Tubing; Fitting Accepts 3/8 Inch Or 1/4 Inch Tube Size Using 1/2 Inch Pipe Thread Nut To 3/8 Inch Or 1/4 Inch Tube Size Using 1/2 Inch Pipe Thread Nut; Proper Fresh Water Fitting Nut Must Be Ordered Separately; Acetal; Gray; Single; Without Retail Package