Unlock UNBEATABLE Member Prices-Join Cabana Club for FREE!

Join Now Details

Thanks for your patience as we perfect our new discount club. Log out and back in to see the latest updates. Spot an issue? Report it here!

Skip to Content

World's best online headshop

Search

World's best online headshop

View All Percolator Bongs Beaker Bongs Glass Bongs Mini Bongs Cheap Bongs Honeycomb Bongs Big & Tall Bongs Acrylic Bongs Silicone Bongs and Dab Rigs Ceramic Bongs Ice Bongs Cool Bongs Hookahs Thick bongs Straight tube bongs Cute & Girly Bongs Glow in the Dark Bongs

Bong Accessories
- Bong Accessories
- Ashcatchers / Pre-Coolers
- Bong Adapters
- Bong Bags
- Bong Bowls
- Downstems
- Screens / Filters / Gauzes
- Silicone Downstems
- Bong Cleaner

Brands

- RooR
- Jerome Baker
- Black Leaf
- LA Pipes
- Grav
- Stündenglass
- Dopezilla
- Glasscity

View All Glass Dab Rigs Recycler Dab Rigs Electric Dab Rigs Silicone Dab Rigs Hybrid Dab Rigs Portable Dab Rigs Cheap Dab Rigs Nectar Collector & Dab Straws

Dab Rig Accessories
- Dab Tools
- Carb Caps
- Dab Torches
- Dab Bangers
- Dab pads
- Vapor Domes
- Dab Tools
- Dab Nails
- Titanium Nails
- E-Nails
- Extraction systems

Brands

- MJ Arsenal
- Puffco
- Dip Devices
- Pulsar

View All Metal Herb Grinders Wooden Herb Grinders Acrylic Herb Grinders Stone Herb Grinders Crank Grinders Cheap Herb Grinders Graters & Grinder Cards Electric Grinder Pollen Pressers

Brands

- Santa Cruz
- SLX
- Phoenician
- Aerospaced
- Kannastor
- Cali Crusher
- Ongrok

View All Scientific Bubblers Silicone Bubblers Joint Bubblers Hammer Bubblers Mini Bubblers

Brands

- G-spot Glass
- Art of Smoke

View All Glass Pipes Spoon Pipes Steamroller Pipes Dugout Pipes One Hitter Glass Blunt Chillums Metal Pipes Wooden Pipes Acrylic Pipes Ceramic Pipes Silicone Pipes Stone Pipes Stealth Pipes Sherlock Pipes Cool Pipes Coffee Mug Pipe

Brands

View All Hemp Rolling Papers Flavored Rolling Papers Pre-Rolled Cones Filters and Tips Joint Rolling Machines Rolling Trays Joint Holders Lighters Ashtrays

Brands

- Raw
- Futurola
- Zig Zag

View All Stash Gear, Tins and Boxes 420 Lifestyle Apparel Scales Smell Proof Stash Gear Detox 420 Stickers 420 Lifestyle 420 Pets

View All Premium Products. Unbeatable Prices.

Change Store

Go to USA & Int Store

Go to Deutschland

Go to Grasscity La France

Go to Grasscity Nederlands

Delivering to United States?

To see items that ship to United States change to USA & Int Store

My Account Account Information Address Book My Orders My Downloadable Products My Wish List Stored Payment Methods My Product Reviews Newsletter Subscriptions Sign Out Credit Cards My Open Payment Platform Aliases

Sign In

New Customer? Sign Up here

Bongs

Bongs

Percolator Bongs
Beaker Bongs
Glass Bongs
Mini Bongs
Cheap Bongs
Honeycomb Bongs
Big & Tall Bongs
Acrylic Bongs
Silicone Bongs and Dab Rigs
Ceramic Bongs
Ice Bongs
Cool Bongs
Hookahs
Thick bongs
Straight tube bongs
Cute & Girly Bongs
Glow in the Dark Bongs

Bong Accessories
- Bong Accessories
- Ashcatchers / Pre-Coolers
- Bong Adapters
- Bong Bags
- Bong Bowls
- Downstems
- Screens / Filters / Gauzes
- Silicone Downstems
- Bong Cleaner

Brands

- RooR
- Jerome Baker
- Black Leaf
- LA Pipes
- Grav
- Stündenglass
- Dopezilla
- Glasscity

Dab Rigs

Dab Rigs

Glass Dab Rigs
Recycler Dab Rigs
Electric Dab Rigs
Silicone Dab Rigs
Hybrid Dab Rigs
Portable Dab Rigs
Cheap Dab Rigs
Nectar Collector & Dab Straws

Dab Rig Accessories
- Dab Tools
- Carb Caps
- Dab Torches
- Dab Bangers
- Dab pads
- Vapor Domes
- Dab Tools
- Dab Nails
- Titanium Nails
- E-Nails
- Extraction systems

Brands

- MJ Arsenal
- Puffco
- Dip Devices
- Pulsar

Herb Grinders

Herb Grinders

Metal Herb Grinders
Wooden Herb Grinders
Acrylic Herb Grinders
Stone Herb Grinders
Crank Grinders
Cheap Herb Grinders
Graters & Grinder Cards
Electric Grinder
Pollen Pressers

Brands

- Santa Cruz
- SLX
- Phoenician
- Aerospaced
- Kannastor
- Cali Crusher
- Ongrok

Glass Bubblers

Glass Bubblers

Scientific Bubblers
Silicone Bubblers
Joint Bubblers
Hammer Bubblers
Mini Bubblers

Brands

- G-spot Glass
- Art of Smoke

Smoking Pipes

Smoking Pipes

Glass Pipes
Spoon Pipes
Steamroller Pipes
Dugout Pipes
One Hitter
Glass Blunt
Chillums
Metal Pipes
Wooden Pipes
Acrylic Pipes
Ceramic Pipes
Silicone Pipes
Stone Pipes
Stealth Pipes
Sherlock Pipes
Cool Pipes
Coffee Mug Pipe

Brands

Rolling Papers

Rolling Papers

Hemp Rolling Papers
Flavored Rolling Papers
Pre-Rolled Cones
Filters and Tips
Joint Rolling Machines
Rolling Trays
Joint Holders
Lighters
Ashtrays

Brands

- Raw
- Futurola
- Zig Zag

420 Accessories

420 Accessories

Stash Gear, Tins and Boxes
420 Lifestyle Apparel
Scales
Smell Proof Stash Gear
Detox
420 Stickers
420 Lifestyle
420 Pets

New Items

New Items

Premium Products. Unbeatable Prices.

Sale
Blog
Support

Sign In

New Customer? Sign Up here

Checkout using your account

Email Address

Password

Forgot Your Password?

Checkout as a new customer

Creating an account has many benefits:

See order and shipping status
Track order history
Check out faster

Create an Account

Home
Shop by Brand
JM Flow Sci Glass

JM Flow Sci Glass

We can't find products matching the selection.

Buy your JM Flow Glass at Grasscity; worlds biggest and oldest online Head and Smoke shop!

Free Shipping on US Orders Above $50 USD

Easy Returns

Oldest Online Smoke Shop

Over 22 years on the market

Over 61K+ positive reviews

Join Cabana Club Now

Get instant access to UNBEATABLE member prices at top smoking accessory and CBD sites.

Unlock Member Savings on your favorite online stores!*

Categories

Bongs
Bubblers
Dab Rigs
Smoking Pipes
Vaporizers
Herb Grinders
Rolling Papers
Accessories
New Items
Sales

Support

Online Support
Affiliate Program
Reviews
Knowledge Base

Partnership

Affiliate Program

Get to Know Us

About Us
Company Details
Accessibility Statement

Company Address

SJV B.V.

Gyroscoopweg 64

1042AC Amsterdam

The Netherlands

Follow Us

Payment Options

You are shopping in the Europe.

Change Store

Go to USA & Int Store
Go to UK Store
Go to Deutschland
Go to Grasscity La France
Go to Grasscity Nederlands

Delivering to United States?

To see items that ship to United States change to USA & Int Store

Where are you shipping to?

We are guessing you are in United States. To see items that ship to United States, please choose the correct regional store.

USA & Int Store ($)

Europe (€)

UK Store (£)

Deutschland (€)

Grasscity La France (€)

Grasscity Nederlands (€)

Delivering to United States?

To see items that ship to United States change to the USA & Int Store.

Go to USA & Int Store

World's best online headshop

Grasscity Blogs
Grasscity Knowledgebase
Cabana Club & Elite Terms & Conditions

© 2023 Grasscity.com is a part of High Tide Inc. Company. All Rights Reserved.

Privacy Policy
Terms & Conditions

You must be 18 years or older to use this website

All products are intended for legal dry herb or tobacco usage. The statements and vaporizers & products shown on this website have not been evaluated by the US Food and Drug Administration (FDA). These devices are not designed to diagnose, cure, prevent, or treat any disease. Before using a vaporizer, please consult with a licensed health care provider. If you use a vaporizer, you do so at your own risk. Inhalation is inadvisable and may potentially be harmful. Any comments from user-submitted reviews found on this website are related to the users own personal experiences, and are not endorsed, reviewed, or necessarily shared by grasscity.com or its affiliates. Vaporizing does not necessarily eliminate any and all toxins found in vaporized substances, so much care should be taken prior to use. By using grasscity.com, you acknowledge and agree to abide by our Terms of Use page before making any purchase on this website