title: Magento Price filter "from x to unlimited"
body: <p>I know how Magento can filter prices by Range.</p>
  
  <p>But, how can I filter for products with price X and higher? I dont want a top limit for the Price.</p>
  
  <p>If you need a further explanation please ask.</p>
  
  <p>A little example to be more clear.
  I want be able to add a price filter which supports for example from 200$ up to 800 000$</p>