The VSSC-204x60-DF Pipe to Fitting Connector is manufactured from (white) high impact polystyrene and has a free area of 9,750mm² (Pipe Side) to 10,832mm² (Fitting Side). The Self-Seal DF Pipe to Fitting Connector incorporates a gasket to reduce air leakage to an absolute minimum between system PL125 FD ducting.