Identical to the other models of Gen 2 Claris heads, the only difference is the inlet and outlet connections. This model is 3/8" QCF, which stands for quick connect fittings. These are also known as John Guest Fittings.
Your satisfaction, with our products and service, is of paramount importance to us. If you have any issues whatsoever, please give us a call at 1-866-283-9919, send us an email or better yet, hop on our Live Chat. We will take care of you. Thank you.
Here is a link to learn more about warranty & returns.