Wheaton Sterile Polyethylene Terephthalate Square Media Bottles are leak resistant and offer the clarity of glass, the durability of plastic, and a space-saving design. Models 219975 and 219979 have 33 mm mouths that incorporate a no drip pour lip that help keep measurements accurate and bottles clean.

All models come with graduations—with the 1L sixed bottle graduated in 100mL increments. They are tested superior for pH stability, temperature durability, cloning efficiency and cytotoxicity, are lightweight for handling and field sampling, and come conveniently packed in shrink-wrapped trays.

Key Features

• Polyethylene terephthalate construction that is tested for pH stability, temperature durability, cloning efficiency and cytotoxicity
• Lightweight bottles come supplied with caps pre-attached and shrink wrapped in trays
• Bottles have graduations molded into the PET for easy measuring
• A no-drip pour lip provides clean and smooth transfer