Exodus 29 37
For seven days you shall purify the altar and consecrate it. Then the altar will become completely holy, and everything that touches the altar will become holy.
Compare with other 3 random translations
WEB Exodus 29:37Seven days you shall make atonement for the altar, and sanctify it; and the altar shall be most holy. Whatever touches the altar shall be holy.
NIV Exodus 29:37For seven days make atonement for the altar and consecrate it. Then the altar will be most holy, and whatever touches it will be holy.
KJV Exodus 29:37Seven days thou shalt make an atonement for the altar, and sanctify it; and it shall be an altar most holy: whatsoever toucheth the altar shall be holy.