Are most vape carts 510?
The most popular cartridge is a 510-thread, a common connection type that screws the cartridge securely into place.
A vape cartridge is prefilled with cannabis oil, but it's possible to buy empty 510-thread cartridges to fill up on one's own.
Kvap Provide Empty 510 thread vape cartridges and customer can use them for their own oil.
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