Amazon.com: MECCANIXITY Acrylic Pipe Clear Rigid Round Tube 14mm(9/16") ID 18mm(0.7") OD 10" for Lamps and Lanterns, Water Cooling System 2pcs : Industrial & Scientific
GRAV 14mm Male/18mm Female Straight Adapter
14mm to 18mm 6-Slit Removable Glass Downstem – Purr Glass
14mm to 18mm Showerhead Glass Bong Downstem – Purr Glass
Acrylic Pipe Clear Rigid Round Tube 14mm ID 18mm OD 14" for Lamps and Lanterns, Water Cooling System 2pcs - Walmart.com
Clear 14mm Borosilicate Glass Tube, For To Making Lab Equipment, Packaging Type: Box
4" Glass Downstem 5-Arm Tree Barrel Tube 15-Cut 19mm (18mm) to 14mm – F. PERTANIAN
Clear Rigid Acrylic Pipe 18mm ID x 22mm(7/8") OD x 0.5m(20"), 2mm(3/32") Wall Round Tube - Walmart.com
18mm Female To 14mm Female Glass Adapter - Planet Of The Vapes
Straight Neck Heavy 16 In USA Glass Bong Ice Catcher - Clear
G Pen Hyer Glass Water Pipe Adapter | Vape Replacement Parts - Pulsar – Pulsar Vaporizers
PrimoChill 14mm OD (1.5mm wall) Rigid Borosilicate Glass Tube – 2 x 37 – PrimoChill - KEEPING IT COOL
Transparent Acrylic Hard Tube Pipe OD 8mm 10mm 12mm 14mm 16mm 18mm 20mm PMMA PC Water Cooling Rigid Tube 50cm Length - AliExpress
5pcs High borosilicate glass tube,Outer diameter 14mm,L. 100mm/200mm/250mm/300mm,High temperature resistant glass tube - AliExpress
18mm Male Slide - Assorted
14mm Male To 18mm Female Glass Adapter - Planet Of The Vapes
Frosted Glass Expander for Arizer Vaporizers - Arizer Parts | TVape Canada