Nalgene® polyethylene terephthalate copolyester (PETG) square media bottles are an inexpensive alternative to glass media bottles.

• Available with or without a natural HDPE screw cap closure
• Bottles and closures are not autoclavable
• Break-resistant, durable, and leakproof

Transparency and reduced permeability to CO₂/O₂ allow media storage for up to six months. Bottles and closures are radiation-sterilized and nonpyrogenic. Bottle 16159-999 (2 L size) features molded-in handgrips.