(1) PROCRAFT Flared Port Tube for Speaker Cabinets 1-7/8″ ID x 5-5/8″ Depth SKU#260-476
This molded port tube features an external flare for reduced port turbulence and enhanced aesthetic appeal. Perfect for tuning small high-performance bookshelf or stand-mount speakers.
TUBE DIMENSIONS ARE: 2″ at the opening and 1.7″ at the back end
CUT-OUT DIMENSIONS: 2-11/16″ ROUND HOLE