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F&#xDC;M Cores are crafted from medical-grade polyester. They&apos;re engineered to facilitate airflow while retaining the flavor ingredients, ensuring the aromatic qualities pass through with each breath.F&#xDC;M prioritizes the development of quality products that empower individuals to cultivate positive habits. <h4 id="related-articles">Related Articles</h4><h4 id="-are-polyester-cores-safe">&#x2022; <a href="https://fum-support.gorgias.help/en-US/are-polyester-cores-safe-43555" style=" text-decoration: none !important;">Are Polyester Cores Safe?</a></h4><h4 id="-cores-ingredient-list">&#x2022; <a href="https://fum-support.gorgias.help/en-US/cores-ingredient-list-463623">Cores Ingredient List</a></h4><h4 id="-what-is-in-f&#xFC;m-cores">&#x2022; <a href="https://fum-support.gorgias.help/en-US/what-is-in-fum-cores-751473">What Is in F&#xDC;M Cores?</a></h4> Not finding the answers you&apos;re looking for? Feel free to reach out to our support team at <a href="mailto:support@breathefum.com" target="_blank">support@breathefum.com</a>.

FÜM Cores are crafted from medical-grade polyester. They're engineered to facilitate airflow while retaining the flavor ingredients, ensuring the aromatic qualities pass through with each breath. FÜM prioritizes the development of quality products th

What Materials Are FÜM Cores Made From?

Your FÜM

Is FÜM Available in Store?

How Many Cores Come in One Pack?

How Do I use a FÜM Gift Card/Store Credit?

How Do I Contact Customer Service?

How Can I Check On My Order's Status?

How Long Will It Take for My Order to Ship?

FÜM Return/Refund Policies

Why Isn't My Promo Code Working?

Why Can't FÜM Ship to My U.S. Address?

How Can I Cancel My Order?

How to Change the Currency Setting on the Website

Why Can't FÜM Ship to My Canadian Address?

Why Is My Payment Method Being Declined?

Where Can I Enter My Discount Code for My Order?

Why Doesn't PayPal Work With My Currency?

Why Is the Journey Pack a Different Price Than Initially Shown?

Where Do Orders Ship From?

My Order Arrived but Is Missing Items. What Do I Do?

The Address on My Order Is Wrong. How Do I Change It?

Why Am I Being Charged Taxes Even Though I Am Tax Exempt?

How Do I Return an Order/Item I Purchased on Amazon?

How is Sales Tax Calculate on My Order?

Why Am I Being Charged for Shipping if My Order Value Is Over $130 USD?

Why Are FÜM Products Showing as "Sold Out"?

Is the Mailing Packaging Discreet?

Can I Change the Delivery Address After Placing an Order?

How Can I Obtain a More Detailed Invoice/Receipt?

What Is the Estimated Shipping Time for My Location?

Why Isn't My Canadian Order Tracking Updating?

Can I Checkout with PayPal?

FSA/HSA Payment FAQ

Sika Health Payment Option Not Showing at Checkout

Can I Change the Payment Method on My Order After It Has Been Placed?

Why Is There a Prop 65 Warning Label on My Shipment?

My Sika Health Claim Was Rejected—Now What?

Ordering Details

How Often Can I Use My FÜM in a Day?

Why Am I Experiencing a Negative Reaction When I Use My FÜM?

What Are Safe Alternative Options for Storing My Cores and/or FÜM?

How Long Does One Core Last?

How Should I Breathe When Using My FÜM?

Storing Your FÜM & Cores

Do Cores Expire?

How Do You Pronounce "FÜM"?

Children & Pregnancy Safety

Do Cores Contain Any Chemicals?

Are Polyester Cores Safe?

Do FÜM Products Contain Nicotine?

Are There Health Reasons (Contraindications) Not to Use FÜM?

Can Using FÜM Cause Side Effects?

Do FÜM Cores Need to Be Lit?

Can I Reuse/Refill a Core?

Cleaning Your FÜM

Why Are My Cores Turning Black/Getting Dirty?

Are There Any Age Restrictions for FÜM?

Why Are Some Core Flavors Weak?

Are Barrels Complete FÜM Devices? Do They Include a Mouthpiece?

Why Do My Cores Look Half-Filled?

What Are the Components of a FÜM Device?

Solano - Silver Stainless Steel vs. Onyx Black Airflow Valve

What is the Difference Between the Prominent and Solano Flavored Air Device?

What Is the Black Onyx Made of on the Solano Mouthpiece?

Why Is the Solano More Expensive Than the Prominent?

Updated Cores Packaging!

Why Is There a Gap Between the Barrel and the Mouthpiece of My FÜM?

Re-placing the Core Spring if it Falls Out

What is FÜM Base?

How to Use a FÜM Base

What Products Do I Need to Get Started?

How to Insert a Core into Your FÜM Device

Why Are Some Core Flavors So Strong?

Cores Ingredient List

What Causes the Black Dust/Dirt Inside My FÜM?

Core Flavor Intensity Guide

What Do the Core Flavors Taste Like?

How Often Should I Clean My FÜM?

FÜM Topper FAQ

How Do I Use a Topper?

What are Toppers?

How Do I Clean a Topper?

Are There More Core Flavors Coming?

What is the 30 day Habit Tracker?

How to Use Your FÜM

Where Is My Habit Tracker?

Why Are All My Cores Colored Black?

What Is in FÜM Cores?

Cores Club FAQ

How Can I Pause My Subscription?

How Can I Change the Date That My Next Cores Club Order Will Process?

How Can I Change the Core Flavors in My Subscription?

How Can I Cancel My Subscription?

What If I Don’t Like a Core Flavor from My Subscription Order?

How Can I Change the Frequency of My Cores Club Shipments?

How Can I Update the Shipping Address in My Cores Club Subscription Dashboard?

How Can I Update My Subscription Payment Information?

Where Can I View My Subscription Dashboard?

How Can I Reactivate a Subscription?

Why Can't I Make Changes to My Subscription?

Why Are Two Different Prices Showing for My Subscription?

I Can't Login to Manage My Subscription

Why Isn't Mango Showing Up for the Journey Pack Subscription Option?

Cores Club

Why Was FÜM Created?

Connect With Us on Social Media

Join the FÜM Family

Join the Movement

Can I Combine Multiple Customer Accounts Together?

How Do I Log In to My FÜM Account?

Why Can't I Log In to My FÜM Account?

Account Details

My Package Was Delivered but I Have Not Received It

Where Does FÜM Ship To?

Is My Order Lost?

Shipping Details

Are FÜM Products Certified Kosher, Halal or Vegan?

• Are Polyester Cores Safe?

• Cores Ingredient List

• What Is in FÜM Cores?

What Materials Are FÜM Cores Made From?Updated 4 days ago

Related Articles

• Are Polyester Cores Safe?

• Cores Ingredient List

• What Is in FÜM Cores?