"Tangential Flow Devices"

Supplier: Sartorius

Vivaflow® 50 and 200 devices are ready to use crossflow cassettes for filtration and concentration of samples from 100 to 3000 ml or 500 to 5000 ml. The membrane surface per device is 50 cm² or 200 cm² respectively. The devices come with all the necessary accessories for running with a laboratory pump and a size 16 pump head. For speeding up the concentration and increasing the volume throughput, up to six Vivaflow® 50 cassettes can be connected together or two Vivaflow® 200 can be connected together. Optimally suited for applications like cell culture supernatant concentration, virus concentration and water concentration this economical product offers a standard of ease of use, reliability and flexibility.

Supplier: MILLIPORE

Centrifugal filter units concentrate samples in the range of 15 ml to 70 ml. The large dead stop volume of 350 µl prevents spinning samples to dryness. It has two vertical regenerated cellulose membranes for fast, efficient tangential flow.