Thou shalt also make a laver of brass,
and his foot also of brass, to wash withal: and thou shalt put it between the
tabernacle of the congregation and the altar, and thou shalt put water therein.
For Aaron and his sons shall wash their hands and their feet thereat:
Exodus 30:18,19
The bronze laver was in the outer court
for the priests to wash themselves before entering the Holy place. And John also was baptizing in Aenon near to Salim,
because there was much water there: and they came, and were
baptized. John 3:23
And he said unto me, Unto two thousand and three hundred days; then shall the sanctuary be cleansed. Daniel 8:14 (2,300 years)