Ashirvad introduces a new range of products featuring Low Noise SWR System (Silent and Silent Plus), with technical collaboration from France and certified testing in Germany. Made in Triple layer PVC based sound attenuating system and, available in 40 mm to 200 mm both in Solfit and Pushfit type. However, these pipes, must be used ina combination with the special GIRPI brackets to get the desired effects i.e low noise and less vibrations.