app/javascript/images/filter.svg
<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-filter"><polygon points="22 3 2 3 10 12.46 10 19 14 21 14 12.46 22 3"></polygon></svg>