2 He also made a round tank (molten sea) of copper. It was seven and one half feet deep, fifteen feet in diameter, and forty-five feet in circumference.
2 Chronicles 4:2 Cross References - NSB
Exodus 30:18-21
18 »Make a copper basin with a bronze stand for washing. Put it between the tent of meeting and the altar, and fill it with water.
19 »Aaron and his sons will use it for washing their hands and feet.
20 »Before they go into the tent of meeting, they must wash so that they will not die. Before they come near the altar to serve as priests and burn an offering by fire to Jehovah.
21 »They must wash their hands and feet, so that they will not die. This is a long lasting rule that they and their descendants are to observe.«
1 Kings 7:23-26
23 Hiram made a round tank of copper, seven and one half feet deep, fifteen feet in diameter, and forty-five feet in circumference.
24 All around the outer edge of the rim of the tank were two rows of copper gourds. They were all cast in one piece with the rest of the tank.
25 The tank rested on the backs of twelve copper bulls that faced outward. Three faced in each direction.
26 The sides of the tank were three inches thick. Its rim was like the rim of a cup. It curved outward like the petals of a lily. The tank held about ten thousand gallons.
Zechariah 13:1
1 »A fountain for sin and for uncleanness will be opened for the house of David.«
Titus 3:5
5 not by works done in righteousness, which we did, but according to his mercy he saved us, through the washing of regeneration (restoration) (spiritual rebirth) and renewing (renovation) of the Holy Spirit.
Revelation 7:14
14 I said to him: »Sir, you know.« He said to me: »These are the ones who came out of the great tribulation. They washed their robes, and made them white in the blood of the Lamb.