Numbers 8:21
And the Levites purified themselves, and they washed their clothes. And Aaron offered them, an offering before Jehovah. And Aaron made an atonement for them to purify them.
Numbers 8:7
And in this way shall you do to them to purify them. Sprinkle water of sin-offering on them, and let them shave all their flesh and wash their clothes, and make themselves clean.
Numbers 8:11-13
And Aaron shall offer the Levites before Jehovah for an offering of the sons of Israel, so that they may do the service of Jehovah.
Numbers 8:15
And after that the Levites shall go in to do the service of the tabernacle of the congregation. And you shall purify them and offer them for a wave offering.
Numbers 3:12
And I, behold, I have taken the Levites from among the sons of Israel instead of all the first-born that open the womb from the sons of Israel. Therefore the Levites shall be Mine.
Numbers 19:12
He shall purify himself with it on the third day, and on the seventh day he shall be clean. But if he does not purify himself the third day, then the seventh day he shall not be clean.
Numbers 19:19
And the clean person shall sprinkle on the unclean on the third day, and on the seventh day. And on the seventh day he shall purify himself, and wash his clothes, and bathe himself in water. And he shall be clean at evening.