Pack of 3 No. 5.5 drilled rubber stoppers designed to fit standard fermentation airlocks and create an airtight seal on smaller mouth jugs. Made from BPA-free food grade materials for dependable fermentation use.
These No. 5.5 drilled rubber stoppers come in a pack of 3 and are designed for use in fermentation setups that require a secure fit for standard airlocks. They are a practical choice for homebrewers, winemakers, and fermenters who need dependable stoppers for smaller mouth jugs and similar vessels.
Each stopper is drilled to fit all standard size fermenting airlocks and is designed to provide an airtight seal, which is important for proper fermentation. The slip-resistant design helps improve fit and handling during setup and use.
Made from BPA-free food grade materials, these stoppers are suitable for beverage fermentation and related projects. They have a maximum temperature rating of 70 degrees Celsius, or 158 degrees Fahrenheit. Approximate dimensions are 1 1/8 inches by 15/16 inch. This product is also backed by a 30-day hassle-free replacement program in the event it arrives damaged or defective.
Warranty Program
All North Mountain Supply products - including those purchased through Amazon - are guaranteed to arrive undamaged and free of defects. If your item arrives damaged or defective, please use the warranty form below to request a free replacement under our 30-day hassle-free guarantee.