Pentair 59003000 30-Inch Large Full Grid Assembly Replacement 60 Square Feet Pool and Spa D.E. Filter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Full grid replacement assembly</li><li>Fits Pentair FNS and FNS Plus pool and spa D.E. filters</li><li>Also fits Pentair Nautilus and Nautilus Plus 60-square feet pool and spa D.E. filters</li><li>Comes in large size</li><li>Measures 30-inch</li></ul></div><img src="http://ecx.images-amazon.com/images/I/11po4NsWk4L.jpg" noproxy>