Adjustable Mount and Pre Filter Sock Sleeve for Prefilter for Aquarium Tank 7 inch</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>acrylic made good quaility</li><li>Prefilter can avoid damage of skimmer for the sand or rocks drop into it</li><li>adjustable height and deepth</li><li>include one 7 Inch Ring Filter Socks 200 Micron</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/31NzFd%2BAqkL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31ehl2n-n8L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31-bZJwN7fL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31tC1WV8mOL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31p8dVYFirL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41ese6XO56L.jpg' noproxy></br>