Exodus 29:37
For seven days you shall make atonement for the altar and consecrate it. Then the altar will become most holy; whatever touches the altar will be holy.
Berean Standard Bible
Seven 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.
Seven 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.