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Port tubes and rings

Port tubes and rings

Port tubes are an attractive way to tune your cabinets to improve low frequency response.

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Pair Penn Elcom  M1533  2" Plastic Port Trim Rings
Pair of 2" Plastic Port Rings. High quality black plastic. ..
$1.99
Pair Penn Elcom M1530  Port Tubes for Sub Woofers and PA Cabinets
1.97'' Tube O.D. · 2.375'' Flange O.D. · 2.5'' Tube Length · Black Plastic ..
$1.99
Pair Penn Elcom M1533  3" Port Rings-Heavy Duty Plastic
Pair of 3" Port Rings- Heavy Duty Plastic. ..
$2.99
Pair Port Tubes - Sub Woofer, PA -  2-7/8" ID x 5" Long       -      PT2.875X5
One pair port tubes for speaker and sub woofer cabinets, ID 2-7/8" x 5" long. Actual inside diameter..
$1.99
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