3-piece design, easy to clean, with a snap-on vented cover. Our most popular airlock. Should be filled 1/3 with water for proper function.
(6)
Average rating 8.83333333333334 out of 10
( based on 6
reviews )
Nov 18, 2016 by Bill M
Q: Does this fit all airlocks with holes?
A: Yes, the shaft is 1/2" in diameter, and it fits all the drilled stoppers we sell.

Great airlock
Like that I can easily clean it, sits tight.
Good inexpensive airlock
I bought this airlock to replace one from another source other than Williams Brewing that I broke while cleaning it. It's a sturdily made unit, the parts fit together well, and it works well. For the low price Williams' charges, I think it's a super value.
As advertised
Exactly as advertised. I was replacing an old cracked one & this worked perfectly.
Air lock
Works like any other airlock.
3 PIECE AIRLOCK (E01) review
Iv'e been using the "s" style bubbler since the 70's, tried the 3-piece type a couple months. It's really easy to keep clean, but the bubbles are more difficult to gauge. I think I will order a new "S" type with my next order. The "S" type is a 5*****