93mm x 135mm Speaker Port Tube Subwoofer Bass Reflex Tube Bass Woofer Box 2pcs Tape Provides low starting and rolling

Provides low starting and rolling resistance

apartment and small kitchens

Applicable to all kinds of hanging windows and casement windows

This Cylinder features: 25m bore and 150mm stroke

Made of metal material in silver tone

93mm x 135mm Speaker Port Tube Subwoofer Bass Reflex Tube Bass Woofer Box 2pcs Tape Provides low starting and rollingFeatures: 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