
Pre Filter Replacement Activated Carbon Metal Frame Panel Air Filter. Customizable Frame Material: Available in Aluminum, Galvanized Plate, Stainless Steel, or Cardboard. Customizable Filter Size: Manufactured according to specific customer demand requirements. Free Sample Availability: One free sample provided, with freight collect charges. OEM & ODM Services: Full customization accepted from samples, designs, or minor adjustments. High Dust Holding Capacity: Optimum paper folding design ensures large dust holding capacity. ISO 9001:2015 Certified: Passed ISO 9001:2015 quality management system and ROHS/REACH tests. Fast Off-Season Delivery: Average lead time within 15 workdays during off-peak seasons. Reusable and Long Life: Durable structure designed for reusability and extended service life.