End caps enable users to close-off taps for future use. Now available in Galvanized, Aluminum, Stainless and Stainless+ with optional no. 4 finish. Availble for 3" to 24" Diameter Ducting. ORDERING NOTES: Unless specified, 3" through 24" is QF. Over 24" is flanged. Data subject to change without notice. Stainless steel components requiring flanges will be supplied with stainless steel flanges unless otherwise specified. For special parts or items to be custom manufactured, contact us for quotation.