Skuttle A04-1725-033 Replacement Pad， Filter for Model 45 Humidifier<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>High performance and output.</li><li>For optimum performance， replace pad every 6 months.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/61eurLAKXGL.jpg" noproxy>