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All products featured are intended for tobacco or legal smoking use only and for sale to individuals 18 years of age and older. Manifest Glassworks creates high quality Glassworks, Produced in America by Americans. We are a wholesale company owned and operated by GlassBlowers.
Manifest Glassworks is a producer of high quality, American Made Glassware.



Email: info@mgwtubes.com
• Single Stage
• Stemless Diffy Cap
• Beaker Cirq Perc
• Reversal Color Work
• Color Changing Fume
• Birdcage
• Birdcage Bubblers
• Grindless Gear
• Tree Percs
• Ash Catchers

Just for fun we asked our friends to make us some custom silicone jars.  We LOVE how they look! And they’re just plain handy to have around. 

We’ve been making Birdcage percs for almost two years now…have you tried one yet?  Incredibly smooth and functional, this perc does not disappoint.  Is it a tree?  Is it a disc?  YES, it’s a hybrid of both and people are adding these to their glass collections daily.  Ask your local shop to order some, so you can try one too. Maximum Diffusion FTW!

Did you know….

We make a Conversion Kit with our signature Grindless fittings?!

This handy three-piece kit converts your favorite 19mm Bubbler or Tube to a vapor setup!  Packed in a safe and convenient box, this kit includes:

-19mm Grindless male/male adapter

-19mm Grindless vapor dome

-19mm Quartz Nail

Simply insert the male/male adapter in your favorite 19mm Tube or Bubbler, then insert the quartz nail and cover with the vapor dome. 

Ask your local MGW retailer to get these on order!

I’m stoked to be heading down to Austin this weekend. I’ll be visiting the Armadillo Art Glass Initiative events on Friday night & Saturday: http://armadilloartglassinitiative.com/event-info/

Then on 4/20 from 5 to 7pm::: I’ll be at BC Smokeshop on Guadalupe St for a customer meet & greet. We sell a good amount of glass in Austin, so I can’t wait to meet some of our glass friends down there! http://bcsmokeshop.com/

Before I leave I’ll be visiting the first Glassroots show in Austin. MGW is a sponsor of this event…couldn’t be happier to be supporting Nick & the Glassroots show! http://www.glassrootsartshow.com/austin/

So, if you’re gonna be anywhere near Austin this weekend, be sure to check out the AAGI events (open to the public) and come to BC on Saturday evening. Link up with me!


We spent the early part of 2013 putting together a new product catalog.  We haven’t done this in about two years and it’s never as easy as it sounds!  Glass is so fluid that even in a production shop like ours, things change very frequently.  It’s difficult (almost impossible) to commit to making an entire book of products for the next year or so.  But, it makes life easier for our retail shops and there is a lot to be said for creating a consistent product when you are in the scientific style glass biz.  If you own a retail shop and would like to receive our 2013 catalog, email us with your address:  info@mgwtubes.com 

Once the catalog was printed, we moved on to the website which has been a fun yet time consuming project.  So, while it’s not completed, we invite you to browse through our progress so far, and ask that you check back for updates and improvements…some parts are still under construction!   www.mgwtubes.com

We’re looking forward to updating this blog with our glass endeavors, news, events and maybe some stuff just for fun.  Keep in touch!


Kate & the MGW crew

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