Ezekiel 44:26

After he is cleansed, seven days shall elapse for him.

Numbers 6:10-21

Then on the eighth day he shall bring two turtledoves or two young pigeons to the priest, to the doorway of the tent of meeting.

Numbers 19:11-14

The one who touches the corpse of any person shall be unclean for seven days.

Hebrews 9:13-14

For if the blood of goats and bulls and the ashes of a heifer sprinkling those who have been defiled sanctify for the cleansing of the flesh,

Treasury of Scripture Knowledge

Summary

And after he is cleansed, they shall reckon unto him seven days.

Bible References

General references

Numbers 6:10
Then on the eighth day he shall bring two turtledoves or two young pigeons to the priest, to the doorway of the tent of meeting.
Numbers 19:11
The one who touches the corpse of any person shall be unclean for seven days.
Hebrews 9:13
For if the blood of goats and bulls and the ashes of a heifer sprinkling those who have been defiled sanctify for the cleansing of the flesh,