Wall Cap in Aluminum; Ventilation Fans

Wall Cap in Aluminum for Ventilation Fans The Wall Cap model 885AL by NuTone is designed for use with 3" or 4" round duct systems, providing an effective termination point for ventilation fans. This aluminum wall cap includes a 4" to 3" round duct transition and features a spring-loaded backdraft damper along with a bird screen to prevent unwanted ingress. It is intended for ventilation applications and is not suitable for dryer venting. This product is ideal for electrical distributors and switchgear suppliers offering ventilation and ducting solutions. Specifications Manufacturer: NuTone Manufacturer Part #: 885AL Material: .025 Aluminum, natural finish Compatible Duct Size: 3" or 4" round duct (includes 4" to 3" transition) Weight: 4.8 lbs Features: Spring-loaded backdraft damper and bird screen Usage Restriction: Do not use for dryer venting Features Spring-loaded backdraft damper prevents reverse airflow Bird screen protects against debris and pests Includes reducer for 3" duct connection Durable aluminum construction with natural finish for corrosion resistance Easy installation with flange mounting holes for secure attachment to exterior walls Downloads & Links Spec Sheet Installation Guide