This to acknowledge you that we are an ISO 9001-2008 based unit of Lucknow Manufacturing & exporting "Vertax " Micropipetts, Botttle top Dispensors "PAN India & World" & which is a regular requirement at Various labs ie Research Labs , Path labs , Medical diagonostics centres etc to achieve high satisfactions & standard thru many jenuine products , is Simply designed & clubbed with variety of useful features makes other dispensers become an obvious choice for all routine dispensing needs , It Maintains High precision and accuracy & ensures guarantees through several stages of strict quality checks during manufacturing , Each instrument is individually calibrated in accordance with ISO Standards and comes with individual calibration certificate. Features : Five models with adjustable volumes within Regular & Research Model �¢?? (a) 0.5 - 2.5 ml (b) 1-5 ml, (c) 2.0 �¢?? 10.0ml, (d) 5 �¢?? 25.0 ml, (e) 10 �¢?? 50.0 ml;