Amazon.com: Valterra RF842 3/8" Male Pipe Thread x 1/2" Barb Elbow Fitting : Industrial & Scientific
Stainless Steel U-Bend Fitting for 3/8" I.D. Vinyl Tubing – American Talos Inc.
3/8" Tube OD Straight Union | U.S. Plastic Corp.
Black Tubing Vinyl -- 1/2 inch ID, 5/8 inch OD -- 100' Roll for Sale - Reviews, Prices, & More - GrowersHouse
EZ-FLO 3/8-in ID x 100-ft PVC Clear Vinyl Tubing in the Tubing & Hoses department at Lowes.com
Ace ProLine 1/4 in. D X 3/8 in. D X 10 ft. L PVC Vinyl Tubing - Ace Hardware
PVC Clear Vinyl Tubing 3/8" ID X 1/2"ODx 60"-Plastic Flexible Hose Tube | eBay
Everbilt 1-3/8 in. O.D. x 1 in. I.D. x 24 in. Clear PVC Braided Vinyl Tube HKP002-PVC006 - The Home Depot
Beer Line Tailpiece Fitting - 3/8" ID Vinyl Tubing | BeverageFactory.com
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
SPLICER, 3/8"B x 3/8"B (304 S/S) - Foxx Equipment Company