Custom Premix Selecting "Custom Premix" option means that all of the beads you have chosen will be premixed in manufacturing before the kit is sent to you.
Safety Data Sheet for Durapore® Multimedia Cartridge Filter 10 in. 1.2+0.22 µm Code 7 CV1971TP3
Material Safety Data Sheet or SDS for Durapore® Multimedia Cartridge Filter 10 in. 1.2+0.22 µm Code 7 CV1971TP3 from Merck for download or viewing in the browser.