I'm not sure it's a good idea to fit these onto a Friis. For me, I make my own containers with these valves. I cut a hole in the center of a decent metal lid that has a good seal to its jar or container. Then I adhere the valve to the lid using the proper glue for the materials I'm using. I also use these valves on bags! They are the same type of valve that coffee makers put on their fresh coffee bags to keep new air out and evenly disperse and regulate internal air and pressure.

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20Pcs One-way Degassing PE Valve with Filter Exhaust Ventilation Vent for Coffee Bag Kraft Paper Bag Food Bags

20Pcs One-way Degassing PE Valve with Filter Exhaust Ventilation Vent for Coffee Bag Kraft Paper Bag Food Bags

Q: How can I apply a valve to coffee Mylar bag?

haven't tried them yet. bought them to use on ridged containers and food saver system.

Q: How well does the valve stop humidity? I want to store some hydroscopic material and use the valve to suck the air in the container with a pump.

The valve itself is not meant to help regulate humidity, but to allow air to expel from a stored material without allowing new air in. When I'm using these to store fresh herbs in glass jars I use a vacuum to remove as much of the air inside the jar as I can before storing it away long term. This does not need to be done in most cases, though. If these valves are installed properly, air will leave your container and new air will be blocked from entering. If moisture is an issue inside of the container or bag you are using, then internal humidity levels can still be a problem. So, it's a good idea to be sure the product you are trying to protect is at a moisture level desirable to store whatever it is you are trying to store or keep fresh. Another option is to use humidity pouches inside your container or bag to help with this particular concern.

Product ID: 242809790

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☕Coffee aroma retention

🔒Air-tight seal

🌡️High temp resistance

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Description

☕ Seal in freshness, unleash the aroma!

BREATHE EASY - Innovative one-way valve design allows gases to escape while keeping air out.
VERSATILE USE - Perfect for coffee bags, pet food, and other food storage solutions.
AROMA UNLEASHED - Experience the rich aroma of your coffee without compromising freshness.
COMPACT EFFICIENT - Small size (2x0.6cm) fits seamlessly into your packaging.
DURABLE PERFORMANCE - Withstands high temperatures (up to 168℃) and maintains pressure (2-3mbar).

The WSDMAVIS 20Pcs One-way Degassing PE Valve is designed to enhance the freshness of your coffee and other food products by allowing gases to escape while preventing air from entering. With a compact size and high-temperature resistance, these valves are perfect for maintaining the quality and aroma of your products.

Specifications

Manufacturer	WSDMAVIS
Part Number	WS045
Item Weight	0.634 ounces
Package Dimensions	4.65 x 1.38 x 0.51 inches
Item model number	WS045
Color	White
Material	Polyethylene (PE)
Horsepower	1 hp
Batteries Included?	No
Batteries Required?	No

Have a Question? See What Others Asked

Does this fit Friis?

How can I apply a valve to coffee Mylar bag?

How well does the valve stop humidity? I want to store some hydroscopic material and use the valve to suck the air in the container with a pump.

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