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Blue Filter Glass Bandpass Filter 470nm Long Pass Filter. Customizable Shape: Shape is customized to meet specific application requirements. OEM/ODM Support: Accepts all OEM and ODM orders with professional R&D design support. Low MOQ: Minimum order quantity is just 1 unit for flexible purchasing. Fast Delivery: Stock products are sent within 5 days after payment confirmation. Quality Warranty: Free rework or replacement provided for any quality issues. High Stock Availability: Extensive stock maintained due to over 20 years of factory presence. Professional Inspection: 100% visual and functional inspection for all finished products. ISO Certification: Products are certified with ISO standards for quality assurance.