Grohe 40412001 BWT Filter， 792.5 gallon， Blue<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>792.5 gallons (3000 liters)</li><li>The following GROHE Blue Kitchen Faucets will require a filter head adapter (64508001): 31251000， 31251DC0， 31312000， 31312DC0</li><li>Ambient temperature: 39 - 104Degree F</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41fibi1JAOL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/312wOVNfY7L.jpg" noproxy>