John Guest Speedfit PP3212U7W Faucet Connector, 3/8 Inch, White

Couldn't find this connector anywhere, finally decided to search on Amazon and what do you know, exactly what I needed! It fits great, I put some Teflon tape on the male copper connector I am attaching this to and so far it works flawlessly. The price of the item is a bit high - similar plastic connectors at Home Depot cost maybe $5 bucks, but then again maybe this is a non-standard size connector nowadays so can't find it anywhere in brick and mortar locations. Otherwise no complaints, prompt delivery and very satisfied.

Was trying to hook up a double osmosis filter system to my refrigerator water and ice but could not find the correct fitting in two different hardware stores including the biggest. This was exactly what I needed and showed up in a day and a half.

Fit perfectly for Filtrete water filter connected to my old RO. Worked fine so far. Paid a little extra but oh well, all stores out there do not carry this item.

Worked as expected and solved the problem.

This was just what I needed for my RO faucet dispenser. Perfect fit and worked the first time!

I have a Samsung fridge which has a 1/4 " tubing coming out of it for water line. It also has a brass fitting. My RO has 3/8 " tubing. I was looking for an adapter where i can convert from 1/4" to 3/8" without cutting off the brass fitting from the fridge line.Called John Guest's customer support before lunch and was told that i will receive a call back from an engineer. Promptly after lunch, got a call back from Angel who gave me this part number after listening to what i was looking for.Received this part today and it is a perfect fit !

Worked great for my replacement RO faucet. Well made, for plastic that is..

Not much else to say. More expensive than it should have been, but what can I say? I crossthreaded my original part because I was careless, but the replacement went on like a charm and hasn't leaked since.

Excellent quality connector from John Guest; fits perfectly and no leaks (I've had none of my John Guest fittings leak).Connected this to my RO tap at my kitchen sink (I used high quality 3/8" water lines).Don't buy the cheap stuff from overseas that can leak or use questionable chemicals - go with John Guest and you will get quality!

I bought an RO tap 3 years back. I haven't find a proper connector anywhere. Finally I got this one and is perfectly fitting to my RO pipe.

Couldn’t find anything locally at plumbing supply joints. This was a great price for a quality product. Water is now dispensed filtered.

Work great