3 Piece Airlock (Qty. 5) Go to amazon.com Related posts Top 15 fermenter airlock for 2022 Top 14 best brewing airlock 2022 Top recommendation for airlocks fermentation 10 best airlock brewing Which is the best airlocks fermenting? FeatureMade of high-quality plasticUsed to maintain sanitary conditions for fermentations5 count Description3 piece airlock.