Features:
- Matched polypropylene caps have a ring-seal design for a perfect, leakproof fit; ribbed for torque closure and easy opening
- Deep square threads withstand vibration; help prevent closure back-off during shipping
- Smooth, rounded bottle surfaces for easy cleaning and thorough emptying
- Underside of bottle lists volume, material and includes an indexing notch
- Recycling codes listed bottles
- Autoclavable at 121°C (250°F); do not autoclave with caps in place