Filter Filters Audio Barrier Remove All Filters Price Under $50 (1) $50-$100 (1) Condition New (2) Audio Barrier Sound Damping Car Door Kit (4) 12" x 36" (12 SQ FT) Dampening... $48.95 Audio Barrier Car Trunk Dampening Kit (5) 18" x 32" (20 SQ FT) Sound Damping... $71.49