Inquiry (采购产品): inquiry for filter dear sir/madam, SPAN DIAGNOSTICS LTD. a leading company in diagnostic reagents.We are looking for the filter which is going to be used in biomedical instrument which allow only one wavelength light to be pass.so please send your product catalog along with price for the same. **** Hidden Message ***** KAUSHIK KHORASIYA 394230 Company: span diagnostics ltd. E-mail: spand@vsnl.com **** Hidden Message ***** spand@vsnl.com