Seagull RS-2SG Water Filter Replacement Filter Neo-Pure NP-2SG<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Fits Seagull IV X-2KF， X-2KB as a substitute for the RS-2SG and RS-2SGH cartridges</li><li>Micron Rating (Nominal) 0.5 µm</li><li>Country of Origin USA</li><li>Length 8" (20.3 cm) Outer Diameter 3.875</li><li>Flow Rate 1.5 gpm</li></ul></div><img src="http://ecx.images-amazon.com/images/I/419HAnvYcnL.jpg" noproxy>