A:AnswerThe water line to connect to the LG 26.16 cu. ft. Side by Side Refrigerator in Smooth White, Model # LSXS26326W is copper tubing (NDA tubing #49595 or #49599) or Cross Link Polyethylene (PEX) tubing. We hope this information helps. If you are in need of any assistance, have additional questions, or would just like to see our helpful tips, check us out on Twitter @LGUSSupport or you can give us a call at 800-243-0000. ^CP
A:AnswerThe filter on this Refrigerator is not that good. it very small. It is best to connect the house water line filter to the refrigerator water line. that way you have double filtering system.