2 Chronicles 4:6
He made also ten lavers, and put five on the right hand, and five on the left, to wash in them: such things as they offered for the burnt offering they washed in them; but the sea was for the priests to wash in.
Cross-reference
2 Chronicles 4:14 also lists the basins and stands from the same temple inventory, providing a summary of the items described in verse 6.
Exodus 29:4 commands washing Aaron and his sons for consecration — the sea here fulfills that priestly purification.
Exodus 30:18-21 gives the original command for priests to wash before serving, which the basins here were built to fulfill.
Leviticus 1:9 instructs washing the entrails and legs of the burnt offering—exactly what the basins were used to rinse.
Leviticus 1:13 repeats the washing instruction for a lamb offering, reinforcing the ritual use served by the basins.
1 Kings 7:38 specifies each basin held 40 baths and measured 4 cubits, adding numerical detail not included here.
Hebrews 9:23 says earthly sanctuary washings were copies of heavenly realities purified by better sacrifices.
1 Kings 7:26 gives the same sea's capacity and design — a parallel account of this temple furnishing.
Hebrews 9:14 contrasts these water washings with Christ's blood that truly purifies the conscience.
Jeremiah 52:19 records the basins being taken from the temple during its destruction, showing the fate of these same items.
Ezekiel 40:38 describes a chamber for rinsing burnt offerings — the same ritual washing function as the basins here.
Revelation 7:14 describes washing robes in the Lamb's blood — a spiritual parallel to the ritual washing here.