3-1/2" Red Silicone Ring
3-1/2" Red Silicone Ring
The 3-1/2" Red Silicone Ring is a premium silicone gasket designed to seal flasks during vacuuming. This compact seal delivers a tight, leak-free fit that preserves sample integrity during vacuum sealing sessions. Crafted from flexible, food-grade silicone, it cushions rims and resists moisture while staying easy to clean and reusable for ongoing lab use.
Designed to fit standard flask rims, this red silicone ring provides a dependable seal without migrating or slipping. Use it in routine vacuuming tasks to prevent leaks, evaporation, and contamination, keeping your workflow efficient and reliable.
Key Benefits
- Secure silicone gasket for reliable flask sealing during vacuuming
- Bright red color for quick identification and proper orientation
- Durable, flexible material that adapts to common flask sizes
- Simple to clean and reusable for long-term use
- Moisture- and wear-resistant, reducing downtime in busy labs
Upgrade your lab setup with the 3-1/2" Red Silicone Ring and ensure dependable seals on every vacuuming task. Consider adding it to your lab toolkit for a smoother, leak-free workflow.
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Let customers speak for us
The price is right on this and it looks well made.
Perfect thank you
Exactly what I've been looking for. Works perfectly.
I am a novice e-waste refiner and PMC Supplies has been the sole company I have trusted throughout my journey. This borax is excellent and most of all, CONSISTENT! Thank you PMC.
Great product! Trusted seller. Fast shipping despite weighing nearly 50-pounds.
Fabulous lortone tumbler and in prestine condition! Great deal. Unbeatable.
Muy buena calidad
It is poorly made, the 1st photo is the one you get. One drawer was stuck and took a few minutes to wiggle it out. You can see the glue sticking out everywhere. The price is extremely high for what it is. I'm very disappointed.
Foredom lubricant kit excellent price and great
Got what i ordered
Seems to be a nicely built item. Will provide further evaluation when fired up.
Great product and customer service!
Love this pliers. Helps me cut a straight line from my bezels
Quality is excellent, the item matched the description and they met my expectations
Awesome! Best product out there
