This is a completely stainless steel compost tea brewer/extractor. It has a basket inside where you put the compost and nutrients and special tea dispensing valves and an additional cleaning valve at the bottom. there is a thermometer attached directly in the brewer where you can see the temperature of the brew. There are ingredient/nutrient packets ready-to-go for those people that own these brewers. These are extremely high-quality brewers that simply wipe clean with no parts on the inside. We offer instructions with each brewer and are available for consultation or on-site visits to train you or your staff in usage and maintenance of the brewers. Please contact email@example.com to learn more about the costs involved with site-visits.