A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
A47L 9/12 (2006.01) A47L 9/10 (2006.01) B01D 46/24 (2006.01)
Patent
CA 2266115
A dual filter assembly for a vacuum cleaner includes an annular inner filter mountable on a filter cage of the vacuum cleaner. The inner filter has a lower end and a retaining ring is attached to the lower end. An annular outer filter is removably mounted surrounding the inner filter, with a lower end of the outer filter supported by the retaining ring.
Shop Vac Corporation
Smart & Biggar
LandOfFree
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