This product is an alternative to the products (SKU) of these brands: Aijiren: / 100 - Waters: 186002804 (alt.) - Chromacol:- National Scientific: C4000-LV1 (alt.) - Wheaton: 225195 (alt.) - Finneran: 30109G-1232 / 100 - SUN/SRI International: , The vials can be used on all common autosamplers due to their technical geometry, preferentially they are found on Aijiren, HTA