121/137 - 110/121mm BAND SEAL NAC 1212

Band-Seal Adaptor Couplings provide an inexpensive method of directly jointing pipes of differing outside diameters, without the need to use bushes. The most common application is for connecting PVC-u pipes to a variety of other pipe materials including vitrified clay. Adaptor couplings are also suitable for connecting other types of pipes including cast iron and metal pipes.