A smoother draw starts at the tip.
Upgrade your hand rolls with reusable 9mm Spiral Glass Filter Tips designed for a smoother, more comfortable draw every session.
Made from durable borosilicate glass, the internal spiral channel guides airflow through a longer path before it reaches your mouth. The result is a smooth, comfortable draw in a reusable glass filter tip that's built to last.
Unlike insert-style tips, these 9mm tips are designed to be rolled directly into your paper, making them ideal for larger hand-rolled joints using cannabis, hemp flower, or other legal herbal smoking blends.
Why We Made It
Everyone has a different preference when it comes to how a hand roll should draw. Some people love the simplicity of a straight-through glass tip. Others want a little more separation between the flower and the mouthpiece without making the draw feel restricted.
We designed the Spiral Tip to offer another option—not because it's better, but because it's different. The curved internal channel guides airflow through the glass before it reaches your mouth while helping reduce the chance of ground flower traveling straight through. It stays easy to roll, easy to clean, and reusable for years.
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Smooth, Cooler Draw. The internal spiral guides smoke through a longer airflow path before it reaches your mouth, giving it more opportunity to cool for a smoother, more comfortable draw. |
Helps Keep Flower & Ash Out. The curved internal path creates a less direct route between your roll and mouthpiece, helping keep ground flower and ash from traveling straight through to your mouth. |
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Easy to Clean & Reuse. Made for repeat use, the open spiral channel is easy to clean with Purr Glass Cleaner or isopropyl alcohol. Rinse thoroughly, let it dry, and it's ready for your next roll. |
Durable Borosilicate Glass. Made from durable borosilicate glass for repeated everyday use without the waste of disposable paper filters. |
What Makes This Design Different?
The Spiral Glass Filter Tip uses one continuous curved internal channel rather than a simple straight bore or multiple smaller openings.
Compared with a traditional straight-through glass tip, the Spiral design creates:
- a longer guided airflow path
- more glass contact along the draw
- less direct travel for ground flower or ash
- a unique draw that many users enjoy
There isn't one "best" airflow design for everyone. The Spiral, Multi-Hole, Tapered, Flat Mouth, and Smokey styles each create a different smoking experience, giving you the freedom to choose the draw that feels best to you.
Which Glass Filter Tip is Right For You?
Not sure which reusable glass filter tip is right for you? Here's a quick comparison to help you find your favorite:
9mm Multi-Hole Glass Filter Tips (Current Product)
Best for: Hand rolling with maximum airflow.
Use: Roll directly into your joint.
Why choose it?
- Capillary multi-hole design
- Promotes smoother, more consistent draws
- Helps create a cooler, more comfortable smoking experience
- Premium reusable borosilicate glass
Best for: Compatible rolling machines.
Use: Roll directly into your joint using a compatible rolling machine.
Why choose it?
- Specifically designed for rolling machines
- Easy, consistent rolling
- Multiple diameters available
- Reusable borosilicate glass
Best for: Finished joints.
Use: Insert your finished joint into the tapered opening.
Why choose it?
- Internal taper accommodates slight variations in roll diameter
- Helps create a snug, airtight fit
- Available in multiple diameters
- Easy to remove and reuse
Best for: Finished joints with a wider mouthpiece.
Use: Insert your finished joint into the tapered opening.
Why choose it?
- Same tapered interior as our Tapered Tips
- Wider duckbill-style mouthpiece for added comfort
- Available in multiple diameters
- Reusable borosilicate glass
Original Smokey Glass Filter Tips
Best for: Larger hand rolls or smokers who prefer a classic straight-through design.
Use: Roll directly into larger hand rolls or insert a finished joint into the tip.
Why choose it?
- Our original Smokey design
- Straight interior with signature three-pinched restriction
- Clean, simple airflow
- Available in multiple diameters
Features & Specs:
Everything you need in a premium reusable glass filter tip. The 9mm Spiral Glass Filter Tip combines durable borosilicate construction with a reusable roll-in design for larger hand rolls.
- Quantity: 3 reusable glass filter tips
- Diameter: 9mm
- Material: Borosilicate glass
- Internal Design: Spiral airflow channel
- Style: Roll-in glass filter tip
- Designed For: Larger hand-rolled joints
- Reusable: Yes
- Cleaning: Purr Glass Cleaner or isopropyl alcohol
- Rolling Machine Compatible: No
Frequently Asked Questions
What makes the Spiral Glass Filter Tip different?
Instead of a straight opening, the Spiral Tip uses one continuous curved internal channel that guides airflow through the glass before it reaches your mouth.
Does the spiral cool the smoke?
The longer airflow path creates more contact with the glass before smoke reaches your mouth. Because smoke temperature depends on several factors, we describe the result as a smoother, more comfortable draw rather than guaranteeing a specific amount of cooling.
Does the Spiral Tip clog easily?
The curved pathway helps reduce the chance that one larger piece of ground flower or ash blocks the airflow path. Like any reusable glass filter tip, regular cleaning keeps it performing at its best.
Does it help keep flower or ash out of your mouth?
Yes. The internal spiral creates a less direct path between the roll and the mouthpiece, helping reduce the chance of ground flower or ash reaching your mouth during normal use.
Why choose a spiral glass filter tip instead of a paper filter?
Paper filters work well, but they're disposable. A reusable glass filter tip gives you a firm mouthpiece that won't become soft during your session, and the spiral channel creates a guided airflow path through the glass. Clean it when you're done, and it's ready to use again.
Can I use this with cannabis or hemp flower?
Yes. The Spiral Glass Filter Tip is designed for hand-rolled cannabis or hemp flower. It can also be used with many legal herbal smoking blends rolled to fit the 9mm diameter.
Is this a roll-in or insert-style glass filter tip?
It's a roll-in style tip. Simply place it at the end of your rolling paper and roll the paper around the outside of the glass.
Does it fit dispensary pre-rolls?
The 9mm Spiral Tip is designed primarily for larger hand rolls. For many standard dispensary pre-rolls, we recommend our 6.5mm Tapered Glass Filter Tips.
Does it work with the Purr Rolling Machine?
No. Purr rolling machines are designed for 8mm glass filter tips.
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