18mm to 14mm Downstems
18mm-to-14mm bong downstems are one of the most practical and best-selling downstems in glass setups, designed to bridge different joint sizes with a “big-in, small-out” structure.
With an 18mm joint for the bong joint connection and a 14mm joint for the bowl, they offer wide compatibility with most glass pieces on the market (around 90%), allowing users to mix and match a much larger variety of 14mm bowls and accessories.
Showing all 5 resultsSorted by latest
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Universal 4-Piece Adjustable Metal Bong Downstem | 18mm to 14mm
$16.99Select options This product has multiple variants. The options may be chosen on the product page -
Universal 5-Piece Adjustable Metal Bong Downstem | 18mm to 14mm
Price range: $15.99 through $18.99Select options This product has multiple variants. The options may be chosen on the product page -
Frozen Glycerin Bong Downstem | 18mm to 14mm | Multiple Colors & Sizes
$16.99Select options This product has multiple variants. The options may be chosen on the product page -
Bong Glass Diffusor Downstem | 18mm to 14mm | Various Sizes
$12.99Select options This product has multiple variants. The options may be chosen on the product page
