biovisionK904-50virus concentration kit, viral precipitation kit, virus precipitation, virus concentration, concentrate retroviruses, concentrate baculoviruses, concentrate lentiviruses, concentrate phages, retrovirus concentration kit, baculovirus concentration kit, lentivirus concentration kit, phage concentration kit, retrovirus precipitation kit, baculovirus precipitation kit, lentivirus precipitation kit, phage precipitation kit, peg virus precipitation kit, peg virus precipitation ? Kit size- Convenient sizes (50 and 200 preparations) ? Application- The kit can be used for small lab samples or large scale virus preparation with high yield and high viral titer. Can be used to concentrate retroviruses, baculoviruses, lentiviruses, phages, etc. in cell culture medium or environmental samples.