20"x4.5", 5 Micron Melt Big Blue Blown Polypropylene Filter Cartridge Replace Compatible Flow-Pro FPMB-BB5-20, GE Osmoni
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<b>[Product Information]</b><br>
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<li>Melt-Blown Polypropylene 4-layer graded density with a 5 micron nominal filtration rating</li>
<li>Universal replacement for all 4.5" x 20" Big Blue filter cartridges</li>
<li>individually wrapped and labeled</li>
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