Catalog number: FL1 - Price: $22
The ferment lock is a one way pressure release valve that opens at approximately 0.1 PSI pressure. It screws into the 2 in. threaded fitting included in the lids of both our ECO and Dexter style lids. A new screw in bung with the center knocked out, an adapter and the valve are included.
Package pricing is available when drain and sample valves and a ferment lock are ordered together with a tank. (Cat. Nos. AK1 and AK2)