These bottles are designed, so the entire bottle fits into most shaking incubators for direct culture applications. They are ideal for steam sterilization of biological, liquids, reagents, media, buffers and aqueous solutions. The base includes a molded-in resin code, a recycling code and the fill capacity. Bottles are packaged in a multi-barrier elastomer. Manufactured in a Class 10K cleanroom in an ISO 9001 compliant facility. Caps are autoclavable.