Numbers 19:7-10,numbers 19:19

1 John 1:7 NIV
But if we walk in the light, as he is in the light, we have fellowship with one another, and the blood of Jesus, his Son, purifies us from all sin.

Ezekiel 36:25 NIV
I will sprinkle clean water on you, and you will be clean; I will cleanse you from all your impurities and from all your idols.

Hebrews 10:22 NIV
let us draw near to God with a sincere heart and with the full assurance that faith brings, having our hearts sprinkled to cleanse us from a guilty conscience and having our bodies washed with pure water.