Brightwell Aquatics Purit Chemical Filtration Media for Marine and Freshwater Aquaria</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Safely and effectively increases Purity in marine and reef aquariums</li><li>Safe and effective for increasing Purity</li><li>Composed of purified water and ultra-high materials</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/51r0C-zLo5L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51JU2tUZNeL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31mGyHj%2BPYL.jpg' noproxy></br>