Hebrews 11:28
"Through faith he kept the passover, and the sprinkling of blood, lest he that destroyed the firstborn should touch them."
Cross References (ranked by relevance)
Hebrews 9:19
For when Moses had spoken every precept to all the people according to the law, he took the blood of calves and of goats, with water, and scarlet wool, and hyssop, and sprinkled both the book, and all the people,
Hebrews 12:24
And to Jesus the mediator of the new covenant, and to the blood of sprinkling, that speaketh better things than that of Abel.
1 Peter 1:2
Elect according to the foreknowledge of God the Father, through sanctification of the Spirit, unto obedience and sprinkling of the blood of Jesus Christ: Grace unto you, and peace, be multiplied.