Our washable HEPA filter uses high-quality composite filter materials, achieving filtration efficiency up to H11-H13 levels (≥95%-99.95% filtration efficiency for 0.3μm particles) and can be customized according to customer needs. The filter has undergone special processing to support repeated washing for cleaning; when used correctly and completely dried, it can typically withstand 20-30 washing cycles, with filtration performance degradation controlled within a reasonable range. All performance data is verified by our national-level CNAS accredited testing center to ensure batch consistency.

This cylindrical/conical HEPA filter is widely suitable for mainstream brands like Dyson, Shark, Bissell, Xiaomi, and Levoit handheld/wireless vacuum cleaners. As a professional manufacturer with over 20 years of experience in filter development and manufacturing, we have comprehensive OEM/ODM capabilities to customize molds based on samples, drawings, or dimensions of target models provided by customers, including adjustments to filter diameter, height, pleat count, end cap structure, sealing ring material, and color as needed.

Cleantop has a factory covering 50,000㎡, of which 20,000㎡ is a clean workshop (a total of 6), ensuring that filter materials are protected from secondary contamination during production. The company has obtained ISO 9001, ISO 14001, and ISO 45001 certification, and in 2024 received IATF16949 automotive industry quality system certification and GMP certification for medical supplies. Each batch of products is subjected to strict testing by a CNAS accredited laboratory for filtration efficiency, resistance, and dust capacity before shipment to ensure stable and reliable quality.

Our products have obtained multiple international certifications, including Europe BSC1, US EPA, NSF, and SOP; the filter materials and adhesives used comply with RoHS and REACH environmental regulations. The products have been successfully exported to Europe, the United States, Japan, South Korea, and many other countries and regions, fully meeting the import compliance requirements of the target markets. If customers have specific certification needs, we can assist in performing targeted testing and preparing documentation.

The MOQ for standard specification products is usually 3,000 pieces, while the MOQ for custom mold products is determined based on specific specifications, generally starting at 5,000 pieces. The delivery period for regular orders is 25-35 days after placing an order, and it is recommended to confirm production schedules in advance during peak seasons or for large orders. We have multiple automated production lines and sufficient raw material reserves to ensure stable delivery of large orders. Long-term cooperative customers can also enjoy VMI inventory management services.

We warmly welcome customers to conduct sample tests prior to placing orders. Samples of available specifications can be provided free of charge; customers only need to bear the international express shipping fees. Sample fees may be charged for custom specifications based on mold complexity, which can be refunded after mass production. Sample delivery time is usually 3-7 days (for available stock) or 15-20 days (for custom specifications). Additionally, our CNAS laboratory can provide third-party testing report support for customers.

Absolutely supported. As a professional OEM/ODM partner, we offer comprehensive packaging customization services, including color box printing, blister packaging, PE bags, instruction manuals, labels, UPC/EAN barcodes, etc., all designed and printed according to customer brand VI requirements. We can assist customers in optimizing packaging structures to reduce transportation costs and improve retail display effects. All brand materials are kept strictly confidential to ensure the protection of intellectual property.

Cleantop keeps samples of each batch of finished products and has established a complete production traceability system. If customers report quality issues, we promise to respond within 24 hours and conduct failure analysis in conjunction with our CNAS laboratory, providing a preliminary report within 72 hours. If determined to be our responsibility, solutions such as free replacement, refunds, or compensation will be provided as stipulated in the contract. Our 20+ years of reliable service to customers in Europe, the United States, and Japan serves as the best endorsement for our after-sales reliability.