The Midisart^® filter family is the clear choice for small scale sterile air/gas filtration applications. Sartorius offers two Midisart^® variants that perfectly match all requirements: Midisart^® 2000 The most popular. Reliable performance since decades. Hydrophobic PTFE membrane Liquid bacteria challenge test Autoclaving (max. 60 cycles) 100% integrity tested Clear laser labeling (no ink used) Light-weight construction Superior flow rates Sartopore^® Air Midisart^® For critical applications. Perfect for single-use assemblies. Hydrophobic PES membrane Gamma-irradiatable Autoclaving (max. 3 cycles) Liquid bacteria challenge test (bi-directionally) 100% integrity tested Clear laser labeling (no ink used) No fleeces used Superior flow ratesem Critical Application Validation Package:/em Aerosol bacteria challenge test Aerosol phage challenge test Aerosol particle challenge test Particle release specification Applications While Sartopore^® Air Midisart^® are designed for any kind of (critical) application, Midisart^® 2000 cannot be gamma-irradiated (what is required for most single-use applications).ul style="list-style-type:circle" Filling and transfer vessels Holding and storage tanks for sterile media Autoclaves Carboys Solvent filtration Mixers Small (single-use) fermenters em[Sartopore^® Air recommended]/em Single-use assemblies em[Sartopore^® Air recommended]/em Disposable bags/bottles em[Sartopore^® Air recommended]/em Tubing systems em[Sartopore^® Air recommended]/em Cell culture chambers em[Sartopore^® Air recommended]/em Fill & Finish applications em[Sartopore^® Air recommended]/em