{"product_id":"bissell-knob-height-adjustment-3540-1-3133724","title":"Bissell Knob Height Adjustment - 3540-1","description":"\u003cp\u003eHeight adjustment knob for the Bissell 3540-1 upright, the control used to raise or lower the cleaning head to match different carpet pile heights. A functioning knob ensures the brush roll maintains optimal contact with the floor surface for best cleaning results.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible models:\u003c\/strong\u003e 3540\u003c\/p\u003e","brand":"Bissell","offers":[{"title":"Default Title","offer_id":48456540848378,"sku":"3133724","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0684\/3934\/3354\/files\/3133724_1_c45fc30f-bb22-43e2-b945-9417429233da.jpg?v=1773354185","url":"https:\/\/evacuumsandmore.com\/products\/bissell-knob-height-adjustment-3540-1-3133724","provider":"Vacuums and More","version":"1.0","type":"link"}