Sone220 【Exclusive Deal】

: A combination of a sone rating (a measurement of loudness) and a CFM (Cubic Feet per Minute) airflow rating. For example, some ventilation fans are marketed as having a 1.0 sone rating at 220 CFM.

“Sone,” she said, testing the sound. The dog wagged its tail. sone220

* Yamaha Share. * General Stock Information. * Articles and Regulations. * Shareholder Information. Yamaha Corporation : A combination of a sone rating (a