Manual bottle filler spring loaded meaning you need to put pressure on it to activate it. To stop just lift up. Use alone with hose or directly from ported carboy using a spigot.
– 1/2 fits a 7/16″ x 9/16″ siphon hose
– 3/8 fits 5/16″ x 7/16″ siphon hose
– can be used with or without the spring.
– it can be unassembled for easy cleaning.