Exodus 30:18-21 NIV

18 “Make a bronze basin, with its bronze stand, for washing. Place it between the tent of meeting and the altar, and put water in it.

References for Exodus 30:18

19 Aaron and his sons are to wash their hands and feet with water from it.

References for Exodus 30:19

20 Whenever they enter the tent of meeting, they shall wash with water so that they will not die. Also, when they approach the altar to minister by presenting a food offering to the LORD,

References for Exodus 30:20

21 they shall wash their hands and feet so that they will not die. This is to be a lasting ordinance for Aaron and his descendants for the generations to come.”

References for Exodus 30:21