Almost the same, no significant difference. You can send me message if you have some trouble.
I will choose glass wool as it is easy to install due to its low density.
Glass wool rock wool has a security risk. It is easy to pulverize, so it may cause pruritus and respiratory allergies. PANHOO gradient sound absorption wool is the best in currently market, which is eco=friendly, healthy, most efficient in full-frequency sound absorption.
