Array
(
    [0] => WP_Term Object
        (
            [term_id] => 819
            [name] => Dust bags and pre-filter bags
            [slug] => dust-bags-and-pre-filter-bags
            [term_group] => 0
            [term_taxonomy_id] => 819
            [taxonomy] => product_cat
            [description] => 
            [parent] => 811
            [count] => 4
            [filter] => raw
        )

    [1] => WP_Term Object
        (
            [term_id] => 811
            [name] => Fans Accessories
            [slug] => fans-accessories
            [term_group] => 0
            [term_taxonomy_id] => 811
            [taxonomy] => product_cat
            [description] => 
            [parent] => 0
            [count] => 13
            [filter] => raw
        )

)