DS-DSP ADAPTER 6" by SELKIRK MfrPartNo 6DS-DSP To be used to connect the old design double wall pipe and fittings to the new design Use with #45066, 45065, 45071, 4012977, 45073, 45145, and 45064 Adapts double smoke pipe (DS) to double wall smoke pipe (DSP) 6" dia DS-DSP adapter DSP stove pipe Male adapter