Home / Acoustic Filters / ER Filters / ER-9 dB Music Filter (pair) ER-9 dB Music Filter (pair)$105.00 Out of stock Categories: Acoustic Filters, ER Filters Related products Full Block Solid Filter Blank (pair) $20.00 10 dB DS Filter (pair) $80.00 25 dB Moto Filter (pair) $80.00 20 dB Music Filter (pair) $80.00