Primacoustic LONDON BT Corner Bass Trap, 24"x 48" - White, 2 PackThe white London Bass Trap from Primacoustic features 2 full size Broadway panels and corner mounting hardware. The panels are made from high density 6. 0 lb glass wool. The kit can be used as an add on for London 8 and London 10 room kits Add a corner bass trap to any room High density 6. 0 lb glass wool construction Includes 2 full size Broadway panels Corner mounting hardware included