HomeCapabilitiesProducts MarketsNewsQuoteContact Us NW and ND Models Model NW Walk-In Plenum Provides Convenient, Safe Bag Changing and Inspection The Ultra walk-in plenum top bag removal design provides the maximum convenience for dust collector maintenance. Bag changing is quickly accomplished in an "out of the weather" environment. Model NW (5 3/4" Bags) Walk-in plenum permits maintenance personnel to service bags safely in any kind of weather conditions Same easy bag changing features as the "ND" models Durable 12 gauge all welded construction with stiffeners on 24" centers Standard design pressure is ± 20" W.G. Optional insulation can be factory installed Easy installation - Shipped in 3 sections for quick field erection Drawings/Samples Specifications Downloads Drawings / Samples Ultra Industries has an experienced staff of dust collection engineers plus a network of technical sales representatives specifically selected for their industry experience. 2801 Carlisle Avenue Racine, WI 53404 Phone: (262) 633-5070 • Toll Free: (800) 358-5872 • info@ultraind.com ULTRA HAS THE SPARE PARTS TO MEET YOUR NEEDS! MOST ORDERS SHIPPED SAME DAY! Recent News Sales Representatives 01.20.20 Ultra Industries has Sales Representation opportunities available in select territories. news archive Thank you for visiting our website. We appreciate feedback from our current clients as well as guests. Please contact us with any questions or comments you may have and we will respond promptly. contact us now Copyright © Ultra Industries, Inc. Racine, Wisconsin, All Rights Reserved. POWERED BY IMAGE MANAGEMENT