Carmerny Core 400S H13 True HEPA Replacement Filter Compatible with LEVOIT Core 400S Smart WiFi Air Cleaner Purifier, Core 400S-RF-PA (LRF-C401-YUS), 3-in-1 Activated Carbon Pre-Filter 2 Pack, White Exclude it will not be locked

it will not be locked and free to open the door

Stainless steel grids can be washed in the dishwasher

Open box not used

Lightly Used Damaged in shipping as shown

reaching 5-in

Carmerny Core 400S H13 True HEPA Replacement Filter Compatible with LEVOIT Core 400S Smart WiFi Air Cleaner Purifier, Core 400S-RF-PA (LRF-C401-YUS), 3-in-1 Activated Carbon Pre-Filter 2 Pack, White Exclude it will not be lockedCOMPATIBILITY Our Core 400s RF PA replacement filter is compatible with LEVOIT Core 400S Smart WiFi Air Cleaner Purifier. Compared to Part #Core 400S RF, LRF C401S WUS. 3 STAGE FILTRATION Our Core 400S filter is designed in H13 True HEPA Filter, high efficiency activated carbon, and fine Nylon Pre Filter that helps to filters 99. 97% airborne particles down to 0. 3 microns and neutralize odors, cooking, and wildfire smoke, and VOCs, improved air