Exodus 30:16
Take the atonement money from the sons of Israel and use it for the service of the Tent of Meeting. It will serve as a memorial for the Israelites before the LORD to make an atonement for your lives."

Exodus 30:18
"You are to make a bronze basin with a bronze stand for washing. Set it between the Tent of Meeting and the altar, and put water into it,

2 Chronicles 4:6
He also made ten basins for washing and placed five on the south side and five on the north. The parts of the burnt offering were rinsed in them, but the priests used the Sea for washing.