POTV Lobo o rings

Glassdub · May 6, 2026

Can anyone confirm the size & type of O rings used in the Lobo?
What I've been able to find from way too much web search is that silicone is best at a size of

Outside Diameter (OD): 14mm
Inside Diameter (ID): 12mm
Radial Thickness: 1mm

Is this correct? at that size I have found these orange ones that seem, according to reviews are not very durable.

uxcell Silicone O-Ring, 14mm OD, 12mm ID, 1mm Width, VMQ Seal Rings Gasket, Red, Pack of 30: Amazon.com: Industrial & Scientific

uxcell Silicone O-Ring, 14mm OD, 12mm ID, 1mm Width, VMQ Seal Rings Gasket, Red, Pack of 30: Amazon.com: Industrial & Scientific

www.amazon.com

I refuse to pay about $10 from 4 from POTV with shipping that's just price gorging & wrong, its a effin o ring.
POTV or anyone else selling the black ones do not list what they are made of, POTV refuses to answer. I can't find black silicone ones anywhere. I really couldn't care less what the color is as long as they are durable, safe & fit.

Glassdub · May 9, 2026

Since I got zero response I just went ahead and bought the AliExpress o-rings all these o-rings seem to have this kk729 sku number, (all being two places in China) and when I Google that number Planet of Vapes comes up though they hide the number and will not respond to any questions about the o-rings I'm really starting to hate them because of their intransparency about this, chaos forgive I question their price gorging.
They have been good in the past but this leaves a bad taste of my mouth.
I will report on their effectiveness I'm more concerned about what they are made out of One of the Chinese vendors list them is silicone but AliExpress does not state what they are made out of and did not respond to questions about it.

Ninjadogma · May 9, 2026

Glassdub said:
Since I got zero response I just went ahead and bought the AliExpress o-rings all these o-rings seem to have this kk729 sku number, (all being two places in China) and when I Google that number Planet of Vapes comes up though they hide the number and will not respond to any questions about the o-rings I'm really starting to hate them because of their intransparency about this, chaos forgive I question their price gorging.
They have been good in the past but this leaves a bad taste of my mouth.
I will report on their effectiveness I'm more concerned about what they are made out of One of the Chinese vendors list them is silicone but AliExpress does not state what they are made out of and did not respond to questions about it.

You don't need a perfect fit with an o-ring, you typically just need enough material and compression to establish a seal. The more important aspect is material and you're right to insist on silicon where heat and exposure to any gassing off of material is a genuine concern. You could have probably bought a variety pack of silicon o rings and hit the lottery with the right size for a couple bucks through Amazon or eBay or something.

Glassdub · May 9, 2026

Ninjadogma said:
You don't need a perfect fit with an o-ring, you typically just need enough material and compression to establish a seal. The more important aspect is material and you're right to insist on silicon where heat and exposure to any gassing off of material is a genuine concern. You could have probably bought a variety pack of silicon o rings and hit the lottery with the right size for a couple bucks through Amazon or eBay or something.

Yeah, I found a spare that came with the Lobo, it fits a little loose by default but has a air tight draw with the carb blocked, as does the old one that I've been using for like 2 1/2 years when I got it, the only issue is it pops off when I load a dosing cap so its a bit worn & stretched out.

Glassdub · May 24, 2026

The Aliexpress rings are a hair thicker than the original but are airtight, I tried two of the new ones, they are just as tight as the original so those online saying otherwise are just tooling for POTV price gorging, 10 for $1.77 Vs 4 for $10.

POTV Lobo o rings

POTV Lobo o rings

Glassdub

uxcell Silicone O-Ring, 14mm OD, 12mm ID, 1mm Width, VMQ Seal Rings Gasket, Red, Pack of 30: Amazon.com: Industrial & Scientific

Glassdub

Ninjadogma

Glassdub

Glassdub

Privacy & Transparency

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