I am selling some of the items I purchased in bulk due to storage constraints. [Product] Fil-tan Allerblock Vent Cover with Filter [Quantity] 10 This product effectively blocks pollen, dust, and allergens, keeping the air in your room clean. It's easy to install and compatible with 24-hour ventilation systems. How about preparing for your New Year's cleaning? *Although new and unused, the outer packaging may have scratches or creases due to storage by a non-professional. Please refrain from purchasing if you are sensitive to these details. #Fil-tan #ToyoAluminum #Allerblock #Allergy対策 #Hayfever対策 #Cleaning #Ventilation #VentilationHole #Filter