Safe material: The 6 piece fermentation airlocks are made of pp plastic, will not cause any harm to the human body, nor any pungent smell, airlock grommets are made of silicone, durable and soft, safe for your using
Airlocks for fermenting set with 6 pieces plastic airlocks and 24 pieces silicone grommets,it is strong and durable for your long time use
Completely sealed:Just drill a 3/8 inch hold on your fermenter lid ,then use the black grommet insert into the lid hole,perfect for allowing fermentation gases to escape without allowing oxygen to enter,can make a good seal
Widely use: the airlock kit serve for brewing craft beer, wine, sauerkraut, kimchi, hard cider, fruit wine, rice wine, carrots and ginger, kimchi,tastes very good
Easy to clean:The fermentation airlock easy to clean,this airlock can be separately taken out and cleaned,it can be easily cleaned with hot water or a simple detergent, very convenient and simple

Colour: transparent white
Material: plastic

Package Contents:
6 x Three-sheet check valve
24 x black sealing ring

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.