18 A clean person shall take hyssop, dip it in the water, and sprinkle it on the tent, on all the vessels, on the persons who were there, and on him who touched the bone, or the slain, or the dead, or the grave.
Numbers 19:18 Cross References - WEB
Numbers 19:9
9 “A man who is clean shall gather up the ashes of the heifer, and lay them up outside of the camp in a clean place; and it shall be kept for the congregation of the children of Israel for use in water for cleansing impurity. It is a sin offering.
Psalms 51:7
7 Purify me with hyssop, and I will be clean. Wash me, and I will be whiter than snow.
Ezekiel 36:25-27
25 I will sprinkle clean water on you, and you will be clean. I will cleanse you from all your filthiness, and from all your idols.
26 I will also give you a new heart, and I will put a new spirit within you. I will take away the stony heart out of your flesh, and I will give you a heart of flesh.
27 I will put my Spirit within you, and cause you to walk in my statutes. You will keep my ordinances and do them.
John 15:2-3
John 17:17
17 Sanctify them in your truth. Your word is truth.
John 17:19
19 For their sakes I sanctify myself, that they themselves also may be sanctified in truth.
1 Corinthians 1:30
30 Because of him, you are in Christ Jesus, who was made to us wisdom from God, and righteousness and sanctification, and redemption:
Hebrews 9:14
14 how much more will the blood of Christ, who through the eternal Spirit offered himself without defect to God, cleanse your conscience from dead works to serve the living God?