Aquasana EQ-PFC.35 0.35 Sub-Micron Replacement Post-Filter for Aquasana Rhino<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>0.35 sub-micron post-filter replacement for Aquasana Rhino whole house filters</li><li>Last from 9 to 12 months depending on the water supply</li><li>Sub-micron filtration to remove cysts</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31mhiQO7A4L.jpg" noproxy>