
Antigen Rapid Test Kit Extraction Buffer Tube for Self Test at Home. High Clinical Sensitivity: Ensures accurate qualitative detection of antigens in human saliva during early viral infection stages. No Extra Equipment Required: Utilizes immunochromatography technology for direct self-testing at home without additional tools. Two-Year Quality Guarantee: Provides a comprehensive two-year warranty period for product reliability and performance. Flexible Bottom Design: Available in both flat bottom (KH3301A) and round bottom (KH3301B) options to suit various needs. Customization Options: Supports customization from both samples and designs for tailored product requirements. Fast Delivery Time: Ships within 7-15 days after payment receipt, with peak and off-peak lead times under 15 workdays. OEM and ODM Services: Offers full OEM and ODM services with 3 R&D engineers and 20 production lines. Multiple Shipping Methods: Flexible shipping options including sea, air, and door-to-door express delivery.