| http://www.w3.org/ns/prov#value | - There, you can compare upright and canister models; find vacuums with low emissions that performed well in CRs cleaning tests; view the emissions performance of vacuums with and without filters; compare vacuums that come with and without bags; find a vacuum with strong airflow; and compare vacuums with features such as manual pile-height adjustment and brush on/off switches.
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