Bought this adapter with the brush below for my Shark Duo Clean. It fits perfectly and works. ASIN: B00SA5FGUQ High-quality universal vacuum cleaner brush with soft horsehair bristles. Fits all vacuum cleaner brands that allow an inside diameter of 1 1/4 inch. I now have a soft round dusting brush, love my shark but was disappointed they didn't offer a round brush, now the two work great together! Sorry shark, if you don't give your customers what they want, they should shop elsewhere.
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