Based on Technology, the CSTD market is classified into Diaphragm-Based Devices, Compartmentalized Devices, Air Cleaning/Filtration Devices. The Diaphragm-Based Devices Segment accounted for the highest share of 42.78% of the market. This segment was valued at up to USD 785.24 million in 2021, at a CAGR of 18.75%.