$4.99
1/4 Inch Quick Connect Elbow fitting 1/4 inch tube by 1/4 inch tube. MPN#WA-UE0404#
3/8 Inch Quick Connect Straight fitting 3/8 inch tube by 1/2 inch threaded. MPN#WA-MC0607#
1/4″ Compression Diverter Valve for Countertop Reverse Osmosis Systems MPN#DV-14C#
3/8 Inch Quick Connect Elbow fitting 3/8 inch tube by 1/4 inch thread. Commonly the fitting at the input of your system… MPN#WA-ME0604#