Amazing Drapery Hardware Our eCRATER Store About Us Contact Us Add to Favorite Sellers 50 QTY: C.S. Osborne-No. V-1 Ventilators, Size 3/4": 9/16" dia. (MPN #14412) One-piece construction for added strength. Used as breathers for mattresses, cushions and plastic slipcovers.Ventilators are solid brass. This ventilators are set with our Osborne No. 621 and can be also set using Osborne Hand Press W-1 & Pneumatic Machine W-3 with the ventilator dies. Setters, Presses and dies not included. C.S.Osborne & Co. No. V-1 3/4 Ventilators ( MPN # 14412) Size 3/4": ( 9/ 16 " diameter Solid Brass You will receive 50 No. V-1 - Ventilators Setter, Press, and Dies not included . Click here for more product information Find this and much more, at our eCRATER store, Amazing Drapery Hardware. We ship internationally.Select one of our international shipping options to take advantage of our discounted international shipping rates . Buyer pays any import fees- tax/tarrif/duty. We also participate In the eCRATER Global Ship Program! Select this shipping option if you would like to use eCRATER's international package forwarding service. With this option, all import fees are included are included at checkout, and collected by eCRATER. WORRIED THESE ARE RIGHT FOR YOU? NO PROBLEM! We accept returns on all our parts within 30 days for a full refund. AND We are also here to help you through your ordering process. AND We are still here to help with any questions you may have about your installation once you receive your parts and get to work. QUESTIONS??? EMAIL US We have years of window treatment experience, WE CAN HELP!