Hello, My name is Mike and I am the Lead Purchasing Agent of Detroit Distribution and Supply LLC; my Purchasing manager asked me to seek out companies capable of supplying a 4 inch Air Carbon Filter, that is 12 inch in length containing 1050+ IAV Australia charcoal and a reversible flange. If your company can supply such product would you be able to assist me in answering the following questions: 1. What is your FOB price per unit for 100,500, 1000, and 2000 units? 2. Can you provide a sample? We would be happy to cover the cost of shipping via PayPal. 3. Do you have a product catalog that shows all variations of your products? If so can you include this in your reply to this email? 4. Can you send more detailed pictures of the product? Please be sure to include them in the email. Please send me your responses here: detroitdistributionandsupply at gmail.com or reach me on WeChat ID:M7347805764 KEYWORDS: air carbon filter 6 in 8 odor control kit grow 10 4 refill hepa washable weed blue best mask can duct fan tent room large media inch active inline filters charcoal and for car cars with material mountain purifier home furnace activated electrolux 242047801 honeywell idylis c Show More