Magento Filters , Multiple Selection Filters
This Magento Plugin is FREE and Created By ManaDev
Url : https://www.magentocommerce.com/magento-connect/multiple-select-in-layered-navigation-filters.html
The FONT Icons are used in this plugin, generated with https://icomoon.io/
changed style selection filter in category page magento , you can see the DEMO in "demo" folder