Tier1 R30-20BB 30 Micron 20 x 4.5 Pleated Polyester Sediment Pentek Replacement Water Filter 4 Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>QUICK &amp; EASY INSTALLATION - quick and easy installation into your 20 x 4.5 Inch Big Blue whole house filtration system</li><li>6 MONTH FILTER LIFE - By replacing your water filter every 6 months ， depending on the quality of your water， you keep your water tasting great.</li><li>HIGH QUALITY FILTRATION - This filter reduces sediment， dirt， rust， and particles</li><li>REPLACEMENT PART FOR MANY PART NUMBERS &amp; MODELS - This filter is comparable to many 30 Micron 20 x 4.5 inch pleated polyester sediment filter</li><li>100% TIER1 NO WORRIES GUARANTEE - We stand behind the quality of filtration and overall performance of our Tier1 filters!</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41tkT4roPqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41tkT4roPqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41eYfw7A6wL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Tw%2BkXtsVL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51M-DcGQRqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Wd-HlfKaL.jpg" noproxy>