Numbers 31:20
And purify all your raiment, and all that is made of skins, and all work of goats' hair, and all things made of wood.
Genesis 35:2
Then Jacob said unto his household, and to all that were with him, Put away the strange gods that are among you, and be clean, and change your garments:
Exodus 19:10
And the LORD said unto Moses, Go unto the people, and sanctify them to day and to morrow, and let them wash their clothes,
Numbers 19:14-16
This is the law, when a man dieth in a tent: all that come into the tent, and all that is in the tent, shall be unclean seven days.
Numbers 19:22
And whatsoever the unclean person toucheth shall be unclean; and the soul that toucheth it shall be unclean until even.