Porvair Sciences has a selection of 384-well polypropylene plates made from pre-tested polypropylene in Class 100000 clean rooms. Product 224001 Microplate is a 14mm high 384-well microplate manufactured for high-density sample collection/storage. Each are designed to allow almost total removal of liquid sample, extra flat to allow plate sealing, available sterile and non sterile and all manufactured to ANSI/SBS specifications.