*PLUMBERSSTOCK EXPERT* responded:
Hi! Thank you for visiting PlumbersStock.com. We are glad that you are interested in our Kohler K-T15231-4-CP Coralais 3 handle bath and shower trim-polished chrome. Yes, you are correct. This will fit the wall mount K-303-K-NA. They are frequently bought together. For other inquiries, please contact one of our customer support specialists at 435-868-4020 or through e-mail @ email@example.com. If you're interested in purchasing this product, feel free to click Add to Card, enter your zip code and you're all set. Happy shopping!