CX2680 - SPEAKER BOX PORT 50MM DIAM NZ$4.97         CX2681 - SPEAKER BOX PORT 50MM DIAM NZ$5.79         CX2682 - SPEAKER BOX PORT 66MM DIAM NZ$6.94         CX2684 - SPEAKER BOX PORT 110MM DIAM NZ$12.92         CX2688 - FLARED SPEAKER BOX PORT 58MM ID X 120MM NZ$5.03         15.0% Goods and Services tax will be added to your order.