- Cell growth area 25 cm2; capacity 70 mL
Full-scale graduations, with extended, frosted writing areas on both sides. With wide, canted neck that provides easy access to corners. Broad base for vertical stability. Support “skirts” prevent flasks from tipping. Two-position, plug-seal cap lessens chances of contamination; closed position for air-tight conditions and “open” position for free exchange of gases. Indicator on cap eliminates guesswork for positioning cap during incubation. 9381K40 has black phenolic cap; 9381K42 has blue plug-seal cap. With stacking ribs.