4PCS 76mm Opening 90mm Height Speaker Inverting Tube Suitable For 4-8 Inch
The height of the inverted tube is 90MM and the opening is 76MM. Opening: Approx. 76mm / 2.99in (as shown in picture). Height: Approx. 90mm / 3.54in (as shown in picture). The inner side is smooth and the bell ends are designed at both ends.