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<script>
  $(window).load(function(){
    
    //creates enhancements for BTM box with data-product-id 6670963649
    e1 = new BTME();//read more on this object in support article
    e1
    .changePricingUnit('Per Cubic Foot', 12, 'price-preview')//changes the price displayed from $X Per Cubic Inch to $X Per Cubic Foot
    .setGlobalMaximum(50)//applies a maximum to all fields
    .setGlobalMinimum(5)//applies a minimum to all fields
    .setFieldMaximum(2, 100, 'Please enter a value less than 100 inches.')//overrides global maximum for a specific field
    .setFieldMinimum(2, 20, 'Please enter a value of at least 20 inches.')//overrides global minimum for a specific field
    .commit();//performs all changes requested
    
  });
</script>