Features:

• Two flanged ends that connect easily to ducting
• Polyurethane acoustic foam decreases fan noise by up to 50%
• Easy to install and maintenance free
• High-quality corrosion resistant galvanized sheet construction
• Moisture resistant – great for use in damp environment

Specifications:

• Outer Material: Durable Galvanized Sheet
• Sound Absorbing Foam: Wave crest polyurethane sponge
• Fusion Point of Foam: 250 degrees centigrade
• Size: 6” diameter and 18” long