Flexible PVC Coupling, 3/4", 6 Pack. Ideal for the repair and service of Condensate drains. When servicing a 3/4" PVC condensate drain that has become blocked, cut the line and, after service, install the FC34. Since there is a "no stop" coupling, you can slide it entirely on the pipe. Then realign the pipe and position the FC34 and tighten the clamps. This saves time over the PVC glue fitting and allows easy access to service again. It also clearly shows this to be an identifiable access to those who may come after. Ever need any 18 degree PVC elbow- How about a 9 degree or a 34 degree- There are times, you can be sure, where a flexible fitting will save you a lot of time and make a neater fit when trying to connect in a tight place.