Glass Parts (Bowls & Downstems) Rocket Glass carries glass parts for your glass or silicone bong. Buy bowls, downstems, and other glass parts online in Canada and USA. View cart “Black Spider Glass Stem 3 Inches” has been added to your cart. Glass Parts Glass Adapter Female To Male 14mm To 19mm CAD$14.99 Add to cart Downstems Crown Glass Canada 420 Purple Downstem 14mm CAD$14.99 Add to cart Bowls Crown Glass Canada 420 Purple Bowl 14mm CAD$11.99 Add to cart Bowls Crown Glass Canada 420 Blue Bowl 14mm CAD$11.99 Add to cart Downstems Pink Spider Glass Stem 3 Inches CAD$14.99 Add to cart Downstems Black Spider Glass Stem 3 Inches CAD$14.99 Add to cart Out of stock Downstems Crown Glass Canada 420 Blue Downstem 14mm CAD$14.99 Read more Sale! Smoke Shop Psychedelic “Spiral” Coloured Bowls CAD$19.99 CAD$14.99 Select options