Numbers 16:37
"Speak to Eleazar the son of Aaron the priest, that he take up the censers out of the burning, and scatter the fire yonder; for they are holy,
Leviticus 27:28
"'Notwithstanding, no devoted thing, that a man shall devote to Yahweh of all that he has, whether of man or animal, or of the field of his possession, shall be sold or redeemed: every devoted thing is most holy to Yahweh.
Numbers 16:7
and put fire in them, and put incense on them before Yahweh tomorrow: and it shall be that the man whom Yahweh chooses, he shall be holy. You have gone too far, you sons of Levi!"
Numbers 16:18
They each took his censer, and put fire in them, and laid incense thereon, and stood at the door of the Tent of Meeting with Moses and Aaron.