For maximum capacity in a round separator, choose the Sweco Avalanche™ Flow-Thru. Designed to handle large volumes of both oversize and undersize fractions, the Avalanche Flow-Thru provides up to 67% more active scr......For maximum capacity in a round separator, choose the Sweco Avalanche™ Flow-Thru. Designed to handle large volumes of both oversize and undersize fractions, the Avalanche Flow-Thru provides up to 67% more active screen area than standard units. Discharge capacity is also increased to more than 10 times conventional round separators