Universal Plastic Carboy Breathable Bung Type_Malt It is heavy and sturdy

It is heavy and sturdy with brass--not plastic--fittings

They feature a "nuke-shaped" internal shuttle that is made from TPV

This stainless steel thermowell is the same one used with many of the hood and stopper thermowells we sell

this allows for gas exchange while preventing wild yeast and fruit flies from entering

Featuring RAPT WiFi/Bluetooth integration

Universal Plastic Carboy Breathable Bung Type_Malt It is heavy and sturdyThis CellarScience Bung has a ridge to keep it from getting sucked in and self sealing vent holes to let air out but not in. They have a gentle taper, so they dont slip out during use. They are also very easy to clean and sanitize. This a perfect fit for a 1. 5 TC ferrules, Fermonsters, and Vintage Shop Plastic carboys. Replaces Stopper Sizes #8, #9, #10 Stopper Measurements: 1. 36" x 1. 89" (34. 5 mm x 48 mm) The flapper stopper protrudes roughly 2.