The FTG series are female pipe tees and gauge port tees. Available in natural nylon or black polypropylene. The equal FNPT threads sizes available in the tees are 1/4 inch to 3 inches. The 3/8-inch and 3-inch tees are only available in black polypropylene. The gauge port tees are available in 1/2-inch to 2-inch FNPT threads. The 3/4 inch gauge port tee has a 1/4 inch or a 1/8 inch port. All other gauge port sizes have 1/4-inch ports. Also available in PTFE and natural polypropylene.