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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
Material: Cold Rolled Steel
Overall Size :100 x 40 mm /3
Designed with hex socket head and 304 stainless steel material
Hex shank prevents slip in electric drills and presses' chuck
Type: 2 pin
77.6mm x 157mm Speaker Port Tube Subwoofer Tube Bass Woofer Box 1pcs U-Shaped Sealing Strips Material: Cold Rolled SteelFeatures: 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 speaker building project. Normal tubes suffer from nasty turbulence at the
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