Nalge Nunc Square Media Bottles, PET, Sterile, Graduated, NALGENE 342040-1000 With Closure

Made of clear polyethylene these bottles have clear shatterproof nontransparent lids with a plastisol-type surface to prevent leakage. The nontoxic polyethylene-formulated closure has a tight-fitting screw cap with a release plug that locks out reagents and provides a tight seal against humidity.