FasNSeal eccentric increaser dia to 10'' Duravent FS0610EI 810005371 new in box I opened the box from the bottom to make sure it matched the picture, I didn't even pull it put. box is clean on the outside this is a brand new product We are counting upon you to know what you are buying and if this item will suit your needs. This is being sold AS-IS. No returns. Please only purchase this if you agree to those terms. *** PLEASE NOTE! Our store buys and sells a variety of new and used electronics, instruments, tools, antiques and many other items. We do our absolute best to thoroughly test all our merchandise when we can, and accurately describe and depict any flaw or defect we find. If you come across an issue that we have overlooked, please contact us - we will be happy to work with you to resolve the issue. *** Shelf Y LB listed 03/2025