_p__strong_Features of the Fisherbrand Disposable Borosilicate Glass Tubes:_/strong__/p__br /_ _li_Provides chemical stability and biological inertness of hard, borosilicate glass—at price of disposable tubes._/li__br /_ _li_Round bottom._/li__br /_ _li_Start clean—no lost samples due to contaminated, cloudy or scratched tubes._/li__br /_ _li_Avoid pH problems caused by soft glass._/li__br /_ _li_With natural linerless polypropylene screw cap and marking spot._/li__br /_ _li_Applications: Ideal for tissue culture, bacteriology, clinical chemistry, blood typing, and crossmatching procedures._/li__br /_ _li_No. Per Tray: 250._/li_