Capsule filter, also known as integrated filter (disposable filter), the shell is made of imported polypropylene material, and the inner filter element is welded together with small folded filter elements. It is an integrated filter without any adhesives and chemicals. The filter is small in size and the loss of the filter medium is small. It can be filtered without installing a filter element and a hose connection. It is widely used in laboratory small-quantity filtration, biopharmaceutical liquid filtration, semiconductor manufacturing, photoresist process, grinding fluid filtration, lithium battery electrolyte filtration, optical lens monomer filtration, etc.