MATERIAL DE VIDRIO PARA LABORATORIO BURET CLASSA STRAIGHT PTFE STPK 5ML CLOSURE NAT 13 415 LINERLESS FLASK NARROW MOUTH BLU SCALE 1000ML RAMSBOTTOM COKING BULB 25 CS13X100 LIME DCT DISP A PAKTUBE DCT BOROSILICATE 20X150 MM TUBE DCT BOROSILICATE 13X