Capture oil, gas and other hydrocarbons while allowing clean rainwater to flow through Stuff leaks. Machinery. Equipment. Drums, cans, containers: it all leaks. Ideally, those items have some sort of spill containment in place to capture those leaks. But things aren't always ideal. For those situations, the Ultra-Filter Pad provides an absorbent liner that will quickly and effectively capture oil and other hydrocarbons while allowing any water to pass through. It's a great solution when traditional spill containment isn't available or if something more portable is needed