These ash vacuum cleaners look pretty reasonable at £29.99 at Lidl, they will be instore from Thursday 05/12/13.
Product Information :-
Large 18L container with a slanted aluminium tube for optimal suction and cleaning results.
With easy-to-clean folded filter and practical handle for easy transportation.
Capacity (L): 18.
Suction power (kPa): 12.5
Suction hose length (m): 1.2
3 year manufacturer's warranty