SS-90: Premium 90 mil. Crack Isolation and Sound Membrane

megapro90Honda Megapro Primus sendiri jadi Primadona sampai sekarang. – Honda Megapro Primus, mungkin semua orang tahu-nya ya model ini saja. Bahkan sampaiSound Ratings (ASTM E90-02, E989-89, E492-90) STC (Sound Transmission Class) 52* IIC (Impact Insulation Class) 50* *Sound testing performed as to ASTM E90 and E492, test