Plumb Pak PP40-8W Extension Tube 1-1/2" X 8" - White This Plumb Pak PP40-8W Extension Tube is a high-quality plumbing accessory that is perfect for any home improvement project. It is designed with durable plastic material and comes in a sleek white color that will complement any bathroom or kitchen decor. With a unit quantity of 1, this extension tube is easy to install and use, and it is ideal for those who need to extend their plumbing lines. Whether you are a professional plumber or a DIY enthusiast, this Plumb Pak Extension Tube is a must-have for your plumbing needs. It is compatible with a wide range of plumbing systems and is designed to provide reliable and long-lasting performance. So, if you need to extend your plumbing lines, this Plumb Pak Extension Tube is the perfect solution for you. White . HangTag. Size =1-1/2" x 8". Plastic - Slip Joint.