Product review (5 stars): A simple do-it-yourself item for that water line in your icemaker/water dispenser-capable ref
We just got a new ref and I Googled a lot what kind of kit (and  how to install ) to use for the built-in water dispenser/ice maker.

I noted that most of them recommended the use of copper tubes since it would eliminate the "plastic" taste in the water & ice.

Since we already have an existing GE SmartWater filter and faucet for use in our kitchen sink that use the polypropylene 1/4 ODL tubing, using this GE item was the obvious choice.

And, when I looked at the back of the new ref where this water line will connect, I found out that although the cap where it will screw on is made of copper, from there, all tubing that goes to the ice maker & water dispenser on the ref are all made of polypropylene plastic - - so what's the use of using copper???

So, with this item plus a union-T and shutoff valve (all polypropylene 1/4 ODL) - all bought via Amazon - in about 30 minutes, water & ice were coming out from the access door in our new fridge!

Always use a shut-off valve (and allow some 6-7 ft. extra line at the back of ref) so that you can turn off the water going to the ref without shutting off all the water source in the kitchen (or, the entire house) when moving the ref or doing clean-ups/maintenance at the back of the ref.

Thanks, GE & Amazon!!