NET
3 He will act like a refiner and purifier of silver and will cleanse the Levites and refine them like gold and silver. Then they will offer the Lord a proper offering.
Darby
3 And he shall sit [as] a refiner and purifier of silver; and he will purify the children of Levi, and purge them as gold and silver; and they shall offer unto Jehovah an oblation in righteousness.
KJV
3 And he shall sit [as] a refiner and purifier of silver: and he shall purify the sons of Levi, and purge them as gold and silver, that they may offer unto the LORD an offering in righteousness.