Levoit 400s Cylinder Hepa Filter 3 In 1 True H13 Activated Carbon

1.Baby-safe filter, certified by the EU RoHS, odorless and free of harmful volatile substances. The HEPA layer is bonded with food-grade hot melt adhesive to avoid the release of formaldehyde from chemical adhesives. The pre-filter layer is made of electrostatically spun material, actively adsorbing fine dust. The activated carbon layer is added with natural plant extracts, removing odors while releasing a light fragrance. The filter size precisely matches the children's room air purifier, with excellent sealing performance, preventing air leakage at the corners and edges, and protecting babies from pollen and dust mite allergens, safeguarding their tender respiratory systems.

2. Formaldehyde removal dedicated filter core, with an activated carbon layer using modified activated carbon + graphene composite technology, increasing the formaldehyde adsorption capacity by 80% and converting it into harmless substances after adsorption to avoid secondary pollution. The HEPA layer assists in filtering construction dust and paint particles. The filter adopts a layered design, with the activated carbon layer being replaceable separately, reducing maintenance costs. It is suitable for air purifiers in newly renovated houses, with a thickness of 40mm and a large contact area, removing formaldehyde three times faster than ordinary filters, quickly creating a safe indoor environment for living. 

3.Filter for office use, designed to address printer dust, secondhand smoke, and office odors. The HEPA layer filters toner particles and PM2.5, while the activated carbon layer is infused with tea polyphenols to neutralize harmful substances in secondhand smoke and remove coffee and snack odors. The filter is compatible with desktop and small commercial air purifiers and features a quiet design that does not disturb the office environment. It has a lifespan of up to 3 months, being more durable than ordinary filters, and creates a refreshing breathing space for office workers.

4.Specialized filter for nursing home cafeterias, designed to handle kitchen odors and food smells. The activated carbon layer is infused with natural fruit and vegetable extracts, removing odors while releasing a light fragrance. The HEPA layer filters out kitchen dust and food debris. The filter is heat-resistant and corrosion-resistant, suitable for wall-mounted purifiers in cafeterias. Continuous operation can improve air quality in the cafeteria and reduce the irritation of kitchen odors to the elderly.