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Majestic SLP12A-BK 3 Inch to 12 Inch Telescoping Pipe Extension

Majestic SLP12A-BK 3 Inch to 12 Inch Telescoping Pipe Extension

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Product Details

Manufacturer: Majestic
Majestic Part Numbers: SLP12A-BK
Item Number: MAJ-SLP12A-BK
UPC: 652174509072
It can be frustrating when you have to decide on a specific length of pipe in some places when you may not know exactly how much length you will need. Majestic makes it possible for you to avoid this situation by offering the Majestic SLP12A 6 Inch to 12 Inch Telescoping Pipe Extension - 4 Inch Diameter. This vent pipe length weighs 3 lbs., is ruggedly built to last, and can add between 6 and 12 inches to the end of a 4 inch diameter vent pipe. A vent pipe extension can be a handy thing, and the quality of Majestic replacement and supplementary products means it will last.

WARNING: This product can expose you to chemicals including Chromium (hexavalent compounds) which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Customer Q&A with Product Specialists

Gregory M. from CT asked:
For the Majestic SLP12A-BK 3 Inch to 12 Inch Telescoping Pipe Extension, is the inner pipe 5 inches?
For the Majestic SLP12A-BK 3 Inch to 12 Inch Telescoping Pipe Extension, is the inner pipe 5 inches?
No, the Majestic SLP12A-BK Telescoping Pipe Extension has a 4-inch inner diameter. This extension is part of the Majestic SLP direct vent pipe line, which uses a 4-inch inner pipe system. If you need to match a 5-inch inner pipe, please provide the brand and model of your existing vent pipe, and we can help confirm the correct part.
Answered by: Sid G. on Jul 31, 2026

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