Duct silencer for 204mm x 60mm ducting

Duct silencer for 204mm x 60mm ducting • The 204 duct silencer provides effective attenuation as recommended by document F of the building regulations 2010 • Length 0.5 metre 1 metre 1.5 metre • Suitable for flat channel ducting external 204mm x 60mm +/- 0.3mm • Colour white • Material plastic polystyrene UPVC and foam • Temperature range max +60°C min -15°C • For use with 204mm x 60 mm rectangular ducting and ventilation • Connector type 2 rectangular females connectors fit over flat channel ducting • Please see the attached downloadable pdf on full technical specification