{% load parameters %}
<div class="filter-model filter-values filter-exact">
    <a href="{% url filter_url %}?{% parameters field=field filter='on' value=value next=next %}" title="Only include records with this value for this field" class="text-icon-large">=</a> 
    <a href="{% url filter_url %}?{% parameters field=field exclude='on' value=value next=next %}" title="Exclude records which have this value for this field" class="text-icon-large">≠</a>
</div>