Downstem with Diffuser (Slits) 14mm


This slitted downstem adapter with diffuser works for all bongs and bowls with a standard SG14 (14.5mm) joint size. Available in various lengths from 135–165mm.

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Downstem with Diffuser (Slits) 14mm: Smoke-Diffusing Action

This downstem adapter with diffuser slits fits any water pipe with standard SG14 (14.5mm) joints. It’s a great accessory so you can get cool, filtered hits with many different glass bowls and bongs. The adapter is made from heat-resistant borosilicate glass and features no logo.

The diffuser consists of 6 slits at the bottom. Available in various lengths from 135–165mm (measured from the top edge of the lower standard grinding).

How to Determine the Ideal Downstem Length

The downstem of your bong should ideally reach almost to the bottom of the water chamber. Measure the length from the bottom of the joint (the milky white part) to the end of the downstem.

A good way to go about finding the perfect downstem length is with a pencil and ruler. Put the pencil into the joint until it's about 1cm from the bottom of the water chamber. Measure to where the joint meets the inside wall of your bong. If you measure to the outside opening of the joint, subtract about 2.5cm as this is the average length of a joint.

  • Material: Borosilicate glass
  • Colour: Clear
  • Available lengths: 135–145mm, 145–155mm, 155–165mm
  • Grind: SG14 (14.5mm)
  • Diffuser: 6 slits
Downstem with Diffuser (Slits) 14mm data sheet
Material Accessories
Joint size 14mm

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Reviews (5)
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    Fits well in my bong, slits help for a better airflow.

    D. N.

    Super de qualité et pas chère 20e sur Amazon.
    Super produit de qualité. Je recommande.

    C. P.

    Tige diffuseur bong verre
    Marche super. Un peu trop fragile c dommage, j'en ai cassé un stupidement en nettoyant. C pour cela que je vs en commande à nouveau. Si c possible de rendre le verre plus solide c mieux. Sinon très bon produit. Ah si un truc: pourquoi les longueurs de tiges varient sur un ou deux cm? Ne peut-on choisir plus précisément (exemple: pourquoi tige de 115 à 125 sans pouvoir choisir ? Ça empêche l'adaptation sur bangs si trop long surtout. Possibilité de choisir soit 115mm, soit 125mm serait bien pouvoir choisir taille au détail... Merci

    M. M.
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Downstem with Diffuser (Slits) 14mm
Downstem with Diffuser (Slits) 14mm