4Pcs 82mm x 111mm Speaker Port Tube Subwoofer Bass Reflex Tube Bass Woofer Box Port Tube Vent 5/8x13/16x3/4" for Mercedes-Benz Sprinter 3500 2016-2018

for Mercedes-Benz Sprinter 3500 2016-2018

Installation Hole Diameter: 35mm/1

Tooth Pitch: 7

Total Size : 68 x 68 x 54mm/2

* The case fan is a high performance case fan for anyone looking for a quiet and efficient case fan

4Pcs 82mm x 111mm Speaker Port Tube Subwoofer Bass Reflex Tube Bass Woofer Box Port Tube Vent 5/8x13/16x3/4" for Mercedes-Benz Sprinter 3500 2016-2018Features: Speaker Port Tube is used to improve the bass response of many types of speakers. There are plenty of types to help you with your vented box design, and carries tubes of every shape and size, including adjustable length ports and flared ports. These port tubes are a reliable, convenient installation, while at the same time providing a finished, "pro" look to your bass reflex speaker building project. Normal tubes suffer from nasty turbulence