Stainless Steel PRV Airlock for Inner threaded Mini Kegs by The Weekend Brewer</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>DITCH THE GLASS. Use this cap to convert your inner threaded mini keg into an indestructible， attractive homebrew carboy</li><li>EASY TO USE. During primary fermentation， just pull the handle twice a day to release the excess CO2.</li><li>STAINLESS STEEL to look great and last forever.</li><li>Compatible with all inner threaded mini kegs. NOT compatible with Heineken style mini kegs.</li><li>This listing is for the cap only. Search B01MSTLH82 to get a kit that includes this cap and a mini keg.</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31SJ7k6pyAL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41pjS553osL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/319KHZB-pbL.jpg' noproxy></br>