CX2680 - SPEAKER BOX PORT 50MM DIAM NZ$7.15         CX2681 - SPEAKER BOX PORT 50MM DIAM NZ$8.34         CX2682 - SPEAKER BOX PORT 66MM DIAM NZ$10.00         CX2684 - SPEAKER BOX PORT 110MM DIAM NZ$18.60         CX2688 - FLARED SPEAKER BOX PORT 58MM ID X 120MM NZ$7.24         15.0% Goods and Services tax will be added to your order.