Numbers 4:3

3 from thirty years old up to fifty years old, all who can enter the service, to do the work in the tent of meeting.

Numbers 4:3 In-Context

1 The LORD said to Moses and Aaron,
2 "Take a census of the sons of Kohath from among the sons of Levi, by their families and their fathers' houses,
3 from thirty years old up to fifty years old, all who can enter the service, to do the work in the tent of meeting.
4 This is the service of the sons of Kohath in the tent of meeting: the most holy things.
5 When the camp is to set out, Aaron and his sons shall go in and take down the veil of the screen, and cover the ark of the testimony with it;
Revised Standard Version of the Bible, copyright 1952 [2nd edition, 1971] by the Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.