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Amazon.com: 20Pack 1/2 Inch PVC Nipple Male Thread Coupling Adapter Connector (Male x Male) 1/2" PVC NPT Male Thread Coupling Pipe Fitting for Thread plumbing Pipe, Home or Industrial Use, Schedule 40 :
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Amazon.com: FangKingNo 10pcs 1/2 Inch White 2-Way PVC Male Adapter Pipe Fittings (Socket x Male Pipe Thread) Coupling with 1/2-Inch Male Thread Schedule 40-10 Pack (0.5 Inch) : Industrial & Scientific
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Amazon.com: LASCO 17-8549 1/2-Inch Female Pipe Thread by 1/2-Inch Male Pipe Thread Brass Coupling : Everything Else
![1-1/2 inch schedule 40 PVC pipe threaded coupling from China Manufacturer - Taizhou Zhuoxin Plastics Co., Ltd. 1-1/2 inch schedule 40 PVC pipe threaded coupling from China Manufacturer - Taizhou Zhuoxin Plastics Co., Ltd.](https://5irorwxhijqiiij.leadongcdn.cn/cloud/pqBqoKirSRrkoonqiki/PVC-Plumbing-Pipe-Fitting-PVC-Pipe-Fitting.jpg)
1-1/2 inch schedule 40 PVC pipe threaded coupling from China Manufacturer - Taizhou Zhuoxin Plastics Co., Ltd.
![Sigma ProConnex 1/2-in Zinc-plated Steel Threaded Coupling Conduit Fittings in the Conduit Fittings department at Lowes.com Sigma ProConnex 1/2-in Zinc-plated Steel Threaded Coupling Conduit Fittings in the Conduit Fittings department at Lowes.com](https://mobileimages.lowes.com/productimages/2f829947-808c-44a3-815c-f73339585ef0/00703647.jpg)
Sigma ProConnex 1/2-in Zinc-plated Steel Threaded Coupling Conduit Fittings in the Conduit Fittings department at Lowes.com
![Sigma ProConnex 1/2-in Zinc-plated Steel Threaded Coupling Conduit Fittings in the Conduit Fittings department at Lowes.com Sigma ProConnex 1/2-in Zinc-plated Steel Threaded Coupling Conduit Fittings in the Conduit Fittings department at Lowes.com](https://mobileimages.lowes.com/productimages/b4015f39-c078-4625-bb8e-ea463ca51d63/10612290.jpg)
Sigma ProConnex 1/2-in Zinc-plated Steel Threaded Coupling Conduit Fittings in the Conduit Fittings department at Lowes.com
![ZUSA-PF-93 | Pipe Fittings - Coupling, Female NPT, 304 Stainless Steel, Class 150 | USA Industrials | MISUMI ZUSA-PF-93 | Pipe Fittings - Coupling, Female NPT, 304 Stainless Steel, Class 150 | USA Industrials | MISUMI](https://us.misumi-ec.com/linked/material/mech/USS1/PHOTO/221303644858_002.jpg)