Universal Plastic Carboy Breathable Bung

Discover the CellarScience Bung! • Self - sealing vent holes let air out but keep it from getting in • Gentle taper prevents slipping during use • Easy to clean and sanitize. It's a perfect fit for 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 2.5' for easy assembly.

This breathable bung is great for homebrewers and wine - makers. Use it when you're fermenting your favorite beverages in 1.5” TC ferrules, Fermonsters, or Vintage Shop Plastic carboys. It replaces common stopper sizes like #8, #9, and #10. The stopper measures 1.36' x 1.89' (34.5 mm x 48 mm) and has a flapper that sticks out about 2.5' for easy setup.