PVC Clear Vinyl Tubing 3/8" ID X 1/2"ODx 60"-Plastic Flexible Hose Tube | eBay
1/2" ID x 3/4" OD Thick Wall Food Grade Vinyl Beverage Tubing – HowdyBrewer
Stainless Steel Swagelok Tube Fitting, Reducing Union, 1/2 in. x 3/8 in. Tube OD | Reducers | Tube Fittings and Adapters | Fittings | All Products | Swagelok
Flexible Vinyl Tubing | 3/8 Inch Vinyl Tubing | The Pond Guy
PVC Clear Vinyl Tubing 3/8-inch ID x 1/2-inch OD, 3 Meters/10ft - Walmart.com
3/8" Tube OD Straight Union | U.S. Plastic Corp.
Plastic Fittings for Tubing and Hose (1/16 ID - 1 ID) | Omega
Beer Line Tailpiece Fitting - 3/8" ID Vinyl Tubing | BeverageFactory.com
Stainless Steel U-Bend Fitting for 3/8" I.D. Vinyl Tubing – American Talos Inc.
HydroMaxx 3/8-in ID x 50-ft Vinyl Clear Vinyl Tubing in the Tubing & Hoses department at Lowes.com
Black Vinyl Tubing Black - 1/4 in ID x 3/8 in OD - 100 ft Roll
Abbott Rubber 1/2 In. x 3/8 In. x 10 Ft. T10 Clear PVC Tubing, Cut Lengths - Walmart.com
UDP 3/8 in. I.D. x 1/2 in. O.D. x 10 ft. Clear Vinyl Tubing T10006008 - The Home Depot
3/8″ MPT w/ Nut & Gaskets - 3/4″ Barb Tee | The Bucket Company