<h5>Div-1</h5>
<div id='div-1'>
  <script type='text/javascript'>
    googletag.cmd.push(function() {
      googletag.display('div-1');
    });
  </script>
</div>
   
  
    var desktopSizes = [
    [970, 250],
    [300, 600],
    [300, 250]
];
var tabletSizes = [
    [728, 90],
    [160, 600],
    [300, 250]
];
var phoneSizes = [
    [320, 100],
    [320, 50],
    [300, 250]
];
var allSizes = [
    [970, 250],
    [728,90],
    [320, 100],
    [320, 50],
    [300, 600],
    [300, 250],
    [160,600]
];
var PREBID_TIMEOUT = 1000;
var FAILSAFE_TIMEOUT = 3000;
var adUnits = [
    {
        code: '/19968336/header-bid-tag-0',
        mediaTypes: {
            banner: {
                sizes: allSizes
            }
        },
        bids: [
            {
                bidder: 'appnexus',
                params: {
                    placementId: 13144370
                }
            }
        ]
    }
];
var pbjs = pbjs || {};
pbjs.que = pbjs.que || [];
var googletag = googletag || {};
googletag.cmd = googletag.cmd || [];
googletag.cmd.push(function() {
    googletag.pubads().disableInitialLoad();
});
pbjs.que.push(function() {
    pbjs.addAdUnits(adUnits);
    pbjs.setConfig({
        sizeConfig: [{
            'mediaQuery': '(min-width: 1025px)',
            'sizesSupported': desktopSizes,
            'labels': ['desktop']
        }, {
            'mediaQuery': '(min-width: 768px) and (max-width: 1024px)',
            'sizesSupported': tabletSizes,
            'labels': ['tablet']
        }, {
            'mediaQuery': '(min-width: 320px) and (max-width: 812px)',
            'sizesSupported': phoneSizes,
            'labels': ['phone']
        }]
    });
    pbjs.requestBids({
        bidsBackHandler: sendAdserverRequest,
        timeout: PREBID_TIMEOUT
    });
});
function sendAdserverRequest() {
    if (pbjs.adserverRequestSent) return;
    pbjs.adserverRequestSent = true;
    googletag.cmd.push(function() {
        pbjs.que.push(function() {
            pbjs.setTargetingForGPTAsync();
            googletag.pubads().refresh();
        });
    });
}
// in case PBJS doesn't load
setTimeout(function() {
    sendAdserverRequest();
}, FAILSAFE_TIMEOUT);
googletag.cmd.push(function() {
    googletag.defineSlot('/19968336/header-bid-tag-0', allSizes, 'div-1')
        .addService(googletag.pubads());
    googletag.pubads().enableSingleRequest();
    googletag.enableServices();
});
   
  
    <html>
  <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Filter Sizes Dynamically with Labels</title>
    <!-- required scripts -->
    <script async src="//cdn.jsdelivr.net/npm/prebid.js@latest/dist/not-for-prod/prebid.js"></script>
    <script async src="https://securepubads.g.doubleclick.net/tag/js/gpt.js"></script>
  </head>
  <body>
  
  <!-- javascript -->
  <script>var desktopSizes = [
    [970, 250],
    [300, 600],
    [300, 250]
];
var tabletSizes = [
    [728, 90],
    [160, 600],
    [300, 250]
];
var phoneSizes = [
    [320, 100],
    [320, 50],
    [300, 250]
];
var allSizes = [
    [970, 250],
    [728,90],
    [320, 100],
    [320, 50],
    [300, 600],
    [300, 250],
    [160,600]
];
var PREBID_TIMEOUT = 1000;
var FAILSAFE_TIMEOUT = 3000;
var adUnits = [
    {
        code: '/19968336/header-bid-tag-0',
        mediaTypes: {
            banner: {
                sizes: allSizes
            }
        },
        bids: [
            {
                bidder: 'appnexus',
                params: {
                    placementId: 13144370
                }
            }
        ]
    }
];
var pbjs = pbjs || {};
pbjs.que = pbjs.que || [];
var googletag = googletag || {};
googletag.cmd = googletag.cmd || [];
googletag.cmd.push(function() {
    googletag.pubads().disableInitialLoad();
});
pbjs.que.push(function() {
    pbjs.addAdUnits(adUnits);
    pbjs.setConfig({
        sizeConfig: [{
            'mediaQuery': '(min-width: 1025px)',
            'sizesSupported': desktopSizes,
            'labels': ['desktop']
        }, {
            'mediaQuery': '(min-width: 768px) and (max-width: 1024px)',
            'sizesSupported': tabletSizes,
            'labels': ['tablet']
        }, {
            'mediaQuery': '(min-width: 320px) and (max-width: 812px)',
            'sizesSupported': phoneSizes,
            'labels': ['phone']
        }]
    });
    pbjs.requestBids({
        bidsBackHandler: sendAdserverRequest,
        timeout: PREBID_TIMEOUT
    });
});
function sendAdserverRequest() {
    if (pbjs.adserverRequestSent) return;
    pbjs.adserverRequestSent = true;
    googletag.cmd.push(function() {
        pbjs.que.push(function() {
            pbjs.setTargetingForGPTAsync();
            googletag.pubads().refresh();
        });
    });
}
// in case PBJS doesn't load
setTimeout(function() {
    sendAdserverRequest();
}, FAILSAFE_TIMEOUT);
googletag.cmd.push(function() {
    googletag.defineSlot('/19968336/header-bid-tag-0', allSizes, 'div-1')
        .addService(googletag.pubads());
    googletag.pubads().enableSingleRequest();
    googletag.enableServices();
});
</script>
  <!-- html -->
  <h5>Div-1</h5>
<div id='div-1'>
  <script type='text/javascript'>
    googletag.cmd.push(function() {
      googletag.display('div-1');
    });
  </script>
</div>
  </body>
</html>