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🍺 Seal the deal on perfect fermentation — don’t let your brew miss out!
The Mudder 50 Packs Airlock Grommet set offers 50 durable rubber grommets engineered for airtight sealing in fermentation setups. Sized for 5/8" holes with a 3/8" inner diameter, these grommets fit most airlocks and fermenter lids, ensuring oxygen stays out and flavor stays in. Ideal for home brewers and fermentation enthusiasts looking to upgrade mason jars or plastic buckets into professional-grade fermenters with easy, reliable installation.
| ASIN | B07WNHS4TP |
| Best Sellers Rank | #55,601 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #16 in Brewing & Fermentation Airlocks |
| Brand | Mudder |
| Brand Name | Mudder |
| Closure Type | Press Fit |
| Color | Black |
| Customer Reviews | 4.4 out of 5 stars 494 Reviews |
| Is the item dishwasher safe? | Yes |
| Is the item microwaveable? | Yes |
| Item Weight | 1.6 ounces |
| Manufacturer | Mudder |
| Material | Rubber |
| Material Type | Rubber |
| Number of Pieces | 50 |
| Product Style | Compact |
| Shape | Round |
| Style | Compact |
| UPC | 754407812291 |
| Unit Count | 50.0 Count |
R**A
La forma mas sencilla y economica de adaptar una trampa de aire
La mejor opcion para usar cualquier contenedor con trampa de aire, solo se requiere una mecha de 1/2 pulgada y listo, funciona correctamente en cunetes de plastico, frascos de vidrio, hasta en botellones de plastico con tapa
W**E
I like it
Fits my fermentation vessels perfectly
S**A
Perfect size
Perfect for what I was needing it for. Easy to use. Did have a strong odor.
A**R
works great
used to put straws in our mason jars for kids to drink with lids.
T**)
Fulfilled the immediate need!
I purchased a few new fermenter which lacked grommets. These answered my prayers. They fit perfectly and easily hold my airlocks in place. These are great for fermenting anything you desire. If you need some, grab these!
T**Y
Do not drill a 5/8” hole, too big!
Only three stars because I ruined a lid by following the instruction for a 5/8” hole. Put the gromment in that size hole it it also falls out and even with the airlock in it is still loose. Best hole size is 1/2” or even a 7/16. Another reason for the 3 star is that I had to buy a 5/8” bit because my largest bit was a 1/2”. So fair to say their description and advice for hole size cost my an unnecessary purchase and a ruined lid.
G**Y
Seals fine
Works great in my home made fermenting lids. Drill the hole, insert grommet... there will be a little slack ... then insert hydro-lock, which tightens the seal. Great to have spares on hand
W**G
Is what they is
Need to find more uses for them as there are so many.
Trustpilot
5 days ago
3 weeks ago