Is your ventilation system  too loud? Reduce the noise of your fans significantly by attaching this silencer ducting to your fans. 

These silencers are flexible which allows them to fit in places where solid silencers won't fit.

With reinforced flanges on either side for duct and fan connection improves tearing problems found in similar products.

Simple to use:

Position the fan on the carbon filter, making sure the airflow direction is correct (sucking in through the filter and out through the silencer). Then fit the silencer on the other end of the fan. 

Technical Specs:

• Surface Material: Durable Galvanized Sheet
• Sound Absorbing Foam Material: 8CM (3-1/4") thickness wave crest polyurethane sponge
• Fusion Point of Foam: 250 degree centigrade