var Test = SpreadsheetApp.getActiveSpreadsheet().getSheetByName('Test');
for (var i=9; i<38; i++) {
Test.getRange('I9:AO8').getFilter().removeColumnFilterCriteria(i);
}}function resetfilters() {
var Test = SpreadsheetApp.getActiveSpreadsheet().getSheetByName('Test');
var lastrow_Test = Test.getLastRow();
var checkfilter = Test.getRange('I9:AO9').getFilter() != null;
if (checkfilter)
{
Test.getRange('I9:AO9').getFilter().remove();
Test.getRange('I9:AO'+lastrow_Test).createFilter();
}}