The Medela Reusable 500cc Polysulfone Suction Canister (critical measure) (#0770155) uses lid #0770440 for overflow safety use. It is latex-free and autoclavable.
The 500cc Canister is tall, and should only be used with the Basic or Dominant Flex Aspirators.
The Medela Suction Canisters are made of high-grade, shock-resistant polysulfone. Easy to read graduated markings indicate fluid volume. Uniform lids (reinforced polyamide with Santoprene seal) fit all canister sizes with mechanical overflow protection integrated into the lid. Polysulfone jars are suitable for all normal disinfection and sterilization processes.
