Tobramycin and Moxifloxacin drop

Composition:- Tobramycin sulphate USP Eq to Tobramycin 0.3%w/v Moxifloxacin Hcl IP Eq to Moxifloxacin 0.5%W/V Benzalkonium chloride solution IP 0.02%W/V (As preservetive ) Strile aquas base qs