Core 400S Replacement Filter Compatible with LEVOIT Core 400S Smart WiFi Air Puri-fier, Part Number# Core400S-RF, 3-in-1 Efficient Filter, Core 400S-P Transformers & Regulators and always keep the APP

and always keep the APP open

Material Rubber Size Medium Length 11

simply hold the transparent head between your thumb and forefinger

while convenient top and side handles make carrying laundry between rooms easy

Core 400S Replacement Filter Compatible with LEVOIT Core 400S Smart WiFi Air Puri-fier, Part Number# Core400S-RF, 3-in-1 Efficient Filter, Core 400S-P Transformers & Regulators and always keep the APPCore 400S P replacement filter works fully compatible with LEVOIT Core 400S P Air Purifie r. Compared to Part # Core 400S RF. NOTE: Not for Core 200S 300S 600S Mini. Please make sure to carefully check your air purifi er model before placing an order! Core 400S replacement filter for Levoit adopts 3 in 1 Efficient Filtration System ( Nylon Preliminary Filter Efficient Filter Activated Carbon Filter ) to filter 99. 97% of airborne particles down to 0.