Core 300 Filter for LEVOIT Core 300 and Core 300S Air Purifier, 2 Pack 3-In-1 H1, levoit core 300s
�������������������� ������������ - PETOX Core 300 filters are fully compatible with LEVOIT Core 300 and Core 300S Air Purifier to optimal purification performance. Compared to Part # Core 300-RF. �������������������� ������������ - PETOX Core 300
Source: viewngr.com