You must be 21 years or older to enter this site. By clicking ‘Enter,’ you confirm that you are at least 21 years of age.
You may also like
Popular collections
GRAV builds hammers, beakers, and spoons for people who take their rips seriously, engineering-forward percolation rather than glass for the sake of looking good.
GRAV built its reputation on percolation design done right, chambers and diffusers engineered for actual airflow and filtration rather than just decoration. It's the kind of detail that shows up the moment you compare a rip side by side with a basic, no-percolator piece. If you want to see percolation done across more brands and styles, our percolator bongs collection has the wider category.
The hammer has a stable, flat base and a wide chamber, built for bigger, smoother rips when that's what you're after. The beaker is the classic wide-bottom shape, stable on a table and easy to clean, if you want the general category beyond just GRAV's take on it, our beaker bongs collection has more options. The spoon is the most compact and portable of the three, a straightforward daily piece rather than a centerpiece, and our broader hand pipes collection covers spoon styles beyond GRAV specifically if you're comparing.
GRAV's whole identity is built around percolation engineering and US manufacturing, rather than leaning on novelty shapes or themes the way some brands do. That focus shows up as consistent airflow and filtration across the lineup, whether you're looking at a hammer, a beaker, or something smaller. For a broader material comparison, our glass bongs collection covers what else DHC carries in glass beyond this one brand.
A GRAV bubbler gives you a smaller, more portable dose of water filtration, good for a quicker session or a more compact setup, and our bubblers collection has more options across brands if you want to compare. A full GRAV bong gives you more chamber and more percolation to work with, better suited to a session where you've got the time and the space for it. If portability matters more than everything else, our mini bongs collection is worth a look too.
Hammer: a stable, flat base and a wide chamber, built for bigger, smoother rips.
Beaker: the classic wide-bottom shape, stable and easy to clean.
Spoon: the most compact and portable of the three, a straightforward daily piece.
Yes, GRAV has a real reputation for percolation engineering and US manufacturing, it's a brand built on function first rather than novelty.
The hammer has a flat, stable base built for bigger rips, while the beaker uses the classic wide-bottom shape that's easy to clean and just as stable on a table. Both are functional choices, it comes down to which shape and size fit your session better.
No, GRAV is a glass brand, a gravity bong is a completely different DIY smoking method that doesn't involve GRAV's products at all. If you searched for one and landed here, they're unrelated despite the similar name.
GRAV manufactures in the USA, which lines up with the brand's broader focus on engineering and build quality over cutting costs.
It comes down to how much you're packing per session and how portable you want it to be, a larger hammer holds more but is less pocketable, a smaller one trades some capacity for convenience.
One Simple Login
The only memebership you'll need.
Your Membership is about to Expires in
RENEW NOW FOR $30/yr
Limited time offer. Enjoy FREE shipping, exclusive savings, and VIP perks.