Chromasir's optical grating o se sui o Waters optical grating, lea e mafai ona faʻaaogaina i le UVD e pei o Waters 2487, 2489, TUV tuai, TUV lanumoana, ma isi. Chromasir e faʻamalosi i le faʻaaogaina o meafaigaluega faʻaonaponei ma gaosiga gaosiga e gaosia na oloa. O loʻo gaosia e avea ma sui taugofie o Vai, faʻatasi ai ma le lelei tutusa ma le faʻatinoina lelei.