2 Kings 18:17
And the king of Assyria sent Tartan and Rabsaris and Rabshakeh from Lachish to king Hezekiah with a great host against Jerusalem. And they went up and came to Jerusalem. And when they were come up, they came and stood by the conduit of the upper pool, which is in the highway of the fuller's field.
Torrey's Topical Textbook—AKJV

Isaiah 7:3
Then said the LORD to Isaiah, Go forth now to meet Ahaz, you, and Shearjashub your son, at the end of the conduit of the upper pool in the highway of the fuller's field;
Torrey's Topical Textbook—AKJV