Package List3 x S‑Shaped fermentation airlocks 3 x drilledrubber stoppers 6 x rubber grommetsGoods Informationfermentation airlock for bottles The fermentation lid airlock limits undesired air exposure, helping keep your brew stable.bubble airlock kit Combining fermentation jar valve and silicone airlock stopper, this airlock and stopper set works great for glass bottle fermentation.cider making airlock The wide‑mouth structure fits various bottle types, serving as a must‑have accessory for beer, mead and bottle‑based fermentation projectsFeatures-Material:Silicone-Size:20.29X14.10X4.30cm/7.99X5.55X1.69in-Color:Assorted Color-Product Info:Bubble Set-Broad Compatibility With Vessels:Well‑suited for jars, glass bottles and fermenting vessels, the set fits homebrew, kombucha and winemaking workflows smoothly brewing airlock accessories-Simple Maintenance:User‑friendly construction allows quick thorough cleaning to sustain good sanitation, which matters for beer and winemaking fermentation applications fermenting airlocks set-Secure Sealing Performance:This wine fermentation airlock and stopper set supports gas release while keeping external air out, delivering reliable performance for cider and homebrew fermentation projects brewing accessories-Functional Flow Control Structure:The integrated fermenter lock supports directional gas movement for bottle fermentation, protecting your brew and preserving suitable internal conditions for diverse fermentation recipes fermenter air lock Safe fermentation process:the internal brewing directional valve technology blocks backflow, keeping your fermenter airlocks in stable condition for steady beer, mead, or cider fermentation,brewing airlock accessories,fermentation bubbler airlock Simple maintenance:user‑friendly construction allows quick thorough cleaning to sustain good sanitation, which matters for beer and winemaking fermentation applications,home brewing airlock,fermentation airlock for carboy High versatility:designed to act as both a fermentation airlock for buckets and a bottle fermentation airlock, it seamlessly adapts to mason jars, glass bottles, and brewing vessels, maximizing your brewing options,brewing airlock,kombucha airlock Easy installation and cleaning:smooth non‑adhesive silicone surface supports convenient fitting and detaching it enables fast washing between separate brewing cycles,fermenter airlocks,beer fermentation airlock Perfect seal:the airlock stopper creates a tight fit on your fermentation lids airlocks, ensuring your airlock for wine making obstructs all unwanted airflow and maintains stable pressure for optimal yeast activity,beer airlock,airlock for wine making ASIN B0HHZC5VML Item Weight 5.3 ounces Manufacturer MOBUTOFU Item model number M15042F19N Product Dimensions 7.99 x 5.55 x 1.69 inches