Dyson V12 Main Body & Big Cyclone Motor Assembly Yellow 
Detect Slim Vacuum Cleaner
Complete body and cyclone for Dyson V12 cordless stick vacuum cleaners
Manufacturers part number: 971640-02
Yellow
Fits the following Dyson models:
V12 Detect Slim Absolute, SV20, SV26, SV30, SV34, SV35