Leviticus 16:19

He is to sprinkle some of the blood on it with his finger seven times to cleanse and set it apart from the Israelites’ impurities.

Ezekiel 43:18-22

Then He said to me: “Son of man, this is what the Lord God says: These are the statutes for the altar on the day it is constructed, so that burnt offerings may be sacrificed on it and blood may be sprinkled on it:

Zechariah 13:1

“On that day a fountain will be opened for the house of David and for the residents of Jerusalem, to wash away sin and impurity.

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