Nikro 18" Diameter Zone Bag - 860257 The Nikro 18" Diameter Zone Bag is designed for professionals in air duct cleaning and HVAC maintenance who need reliable duct section blocking solutions. This industrial-grade zone bag simplifies large-scale duct cleaning jobs by securely sealing off sections of ducting, improving workflow efficiency and safety. Key features 18-inch diameter size suitable for standard duct sections Thick inner bladder for effective air blockage Durable nylon outer cover for enhanced protection Easy to deploy and remove for quick jobsite use Ideal applications Air duct cleaning and maintenance HVAC system servicing Industrial ventilation system repair Commercial and residential ductwork projects Why buyers choose this product This zone bag offers dependable sealing performance with its robust bladder and protective nylon cover, making it a practical choice for technicians needing efficient duct section isolation during cleaning or repair. Its design supports streamlined jobsite operations and reduces downtime. Specifications Brand Nikro Product type Zone bag Diameter 18 inches Material Inner bladder with nylon cover Category Air duct cleaning equipment & supplies Use Blocking sections of ducting Designed for use in duct cleaning and HVAC environments, the Nikro zone bag combines durable materials with practical sizing to meet the demands of industrial and commercial ventilation work. Its construction supports repeated use in challenging jobsite conditions. This zone bag is an essential tool for professionals seeking effective duct section isolation to enhance cleaning and maintenance efficiency. MFG Part #: 860257