Line Diffusers Panels - Set of 72 | 1 Sqft, 2" Thick | 50 Density | Premium Grade | 3D Structure Broadband Sound Absorber - Periodic Groove Structure | 36 BLUE, 36 BLACK HEXAGON Step 2 - Adjust/Cut Door

Step 2 - Adjust/Cut Door Seal with the LINEMAN PLIER/PLASH if you door is less that 3 feet

SIZE: 12'' X 12'' X 2'' | DENSITY : 50kg/M3 | MATERIAL: Polyurethane

Size: 4 feet x 2 feet with 1

92 providing clearer

STC > 35 DB certified by ARAI

Line Diffusers Panels - Set of 72 | 1 Sqft, 2" Thick | 50 Density | Premium Grade | 3D Structure Broadband Sound Absorber - Periodic Groove Structure | 36 BLUE, 36 BLACK HEXAGON Step 2 - Adjust/Cut DoorSIZE: 12'' X 12'' X 2'' DENSITY : 50kg M3 MATERIAL: Polyurethane REMARKABLE ACOUSTIC PERFORMANCE: Innovative Periodic Groove Structure for Much Better Broadband Absorption Ability High NRC: 0. 75 MULTIPURPOSE: Reverb Control Echo & Standing Wave Cancellation Clarity Improving Noise Reduction , etc. Perfect for recording studio, isolation shield, home theater, office, etc YGM Acoustic Line Diffusers are the great solution for small flutter echo problem