Product Spotlight: MIRO Pipe Supports Model 1.5 Posted on November 8, 2011 by admin Designed to support up to 1 1/2″ inside diameter pipe. The Model 1.5 is the better choice to support your pipe off of the roof membrane. The simple design creates a cost effective, contractor friendly, high quality product for your customers. Click here to learn more about the 1.5 model