While MediaKap Filters are designed to efficiently sterilize and clarify culture medium or buffer solution by means of a 0.2 µm DynaFibre® membrane, MediaKap Plus Filters utilize an advanced DynaFibre® membrane that further increases filtration efficiency and dramatically reduces the time required to filter serum-enriched medium. Both can be operated by gravity or under pressure by a peristaltic pump or pressure vessel. Irradiated MediaKap and MediaKap Plus Filters are available in 5 different sizes that filter the designated volume (2 , 5, 10, 25 or 50 liter) in 15 - 20 minutes. Each is available with the option of a filling bell that protects the sterile filling environment and reduces the risk of contamination.