... can supply access panel / drywall trapdoor 2) Size: 300 x 300mm to 500 x 1,200mm, special size or design available ... name: access panel / drywall trapdoorSize: 300 x 300mm, 400 x 400mm, 500 x 500mm, 600 x 600mm, 800 x 800mm, 1,200 x ... 500mm (special size or design available per customer requirement ...