hat
◎The bri sou zafè pou diminye de sa a fè tiyo pi bon pase en fif, menm nan aktyèl mache domine UPVC drenaj tiyo. Anndan dlo! tout bri se kwè yo plis pase 45dB.
eng
◎The noise reduction of this pipe is better than cast-iron pipe, even the current market dominated UPVC drainage pipe. Indoor water dropping noise is less than 45dB.