Basically if you don’t have any rubber grommets for your airlock you can use a Balloon. What you do is: Cut the mouth of the balloon back a bit so it is easier to wrap around the bottle top.

What is the purpose of a grommet?

In construction, manufacturing or production and other related industries, grommets are usually used to cover the rough and sharp edges of a hole in metal. This is done to protect another material as it is passed through this hole. For this particular type of application or process, a rubber grommet is usually used.

Can you use grommets on plastic?

A grommet in the context of a ring is often used on sheets of thin material, such as textile fabric, metal, carbon fiber composite, honeycomb, and wood. Often made of metal, rubber, or plastic, it comes flared or collared on both sides so it will stay in place.

What is a plastic grommet?

A plastic grommet is commonly used for electrical equipment for the material’s insulating property. A plastic grommet is frequently preferable to a metal one since it is resistant to corrosion, chemicals, harsh outdoor elements, and abrasion. If you don’t want rust on your material, you best use plastic.

What types of grommets do you offer?

In addition to our original round plastic grommet series, we offer a wide selection of specialty grommets, including: paper slot liners, oval and rectangular grommets, floor and hair dryer grommets, and other unique cable management concepts. No matching products found.

How do you use power cord grommets?

Use these grommets to eliminate cord clutter on desktops, countertops, benchtops, and other work surfaces. Support shafts, bearings, and other moving parts that are routed through a hole. These grommets are slippery to allow parts to move freely in the hole. Install them on thin sheet-metal panels.

What are stem and grommet bumpers?

Also known as stem and grommet bumpers. These grips are sized to fit in tight areas. Because these grips resist absorbing water, they are less likely to crack or corrode than other types of plastics and metals. These 90° elbows absorb less water and are less likely to crack or corrode than other types of plastics and metals.

How do you use snapsnap grommets?

Snap these grommets into place and their wings expand against the sides of the hole to lock them in position. Use them to turn rough-edged and uneven holes into smooth holes. A slit in the side of these grommets allows you to install them around wire, cable, and cords that are already in place.