1 Kings 7:38
Then made he ten lavers of brass: one laver contained forty baths: and every laver was four cubits: and upon every one of the ten bases one laver.
Cross-reference
In 1 Kings 7:26, the molten sea is another large bronze basin for washing, showing the scale of temple purification vessels.
Exodus 30:17-21 commands the bronze laver for washing in the tabernacle, paralleling the function of the ten bronze basins for the temple.
In 2 Chronicles 4:6-22, the parallel account confirms these basins were for washing sacrifices and adds details about the sea.
In Hebrews 10:22, the call to have bodies washed with pure water contrasts the external washings here with internal heart cleansing.
In Exodus 30:18, the tabernacle laver is the prototype for these basins, both used for priestly washing.
Exodus 38:8 recounts making the bronze laver from mirrors, providing a similar construction account for a bronze basin.
In Hebrews 9:10, these ceremonial washings are grouped with other external regulations that were temporary before Christ.