CYCLONE SYSTEMS are the perfect solution for compost tea brewing. Our systems come in 30, 60, 75, 100, and 150 gallon sizes and include both an air pump and a diaphragm pump. Our electromagnetic cyclone systems come in 30, 60, and 75 gallon sizes and include an electromagnetic air pump and a 4.5 GPM diaphragm pump turn-key system. Our open top cyclone system is 60 gallons and includes a 433LPM/15.3CFM air pump and a 4.5 diaphragm pump. Finally, our quiet system is a 30 gallon system with a silent air pump.