600 GALLON Compost tea brewer Volcano System is perfect for those looking to quickly and easily brew powerful compost tea at a larger scale. It features a high-powered 64.75CFM/1833LPM air pump,13.5 GPM dispensing pump, a durable stainless steel lower hydraulic system, and easy-to-use cam lock fittings and brew bag, . Get started brewing your own compost tea today with the Synergy 600 Gal Volcano Compost tea brewer