Amazon.com: Quickun 3/16" Hose Barb Fitting Equal Barbed T Shaped Tee Type 3 Way Plastic Joint Splicer Mender Union Adapter for Air Line Tube Hose (Pack of 2) : Industrial & Scientific
Amazon.com: JoyTube Plastic Hose Barb Fittings 3/16" Barb X 1/8" NPT Male Thread Adapter Connector Pipe Fittings (pack of 6) : Industrial & Scientific
Amazon.com: Quickun 3/16" Hose Barb Fitting Equal Barbed T Shaped Tee Type 3 Way Plastic Joint Splicer Mender Union Adapter for Air Line Tube Hose (Pack of 2) : Industrial & Scientific
Push to Connect Straight Union Fitting 3/16" OD: Push To Connect Tube Fittings: Amazon.com: Industrial & Scientific
Amazon.com: Plastic Hose Barb Fitting, Hose Fitting Adapter for Air Water Fuel 3/16" x 3/16", 1/4" x 1/4", 3/8" x 3/8", 1/2" x 1/2", 5/8" x 5/8" 8Pcs : Industrial & Scientific
Amazon.com: IVLPHA Push to Connect Fitting 1/4" Tube OD x 3/16" Tube OD Reducer, Pneumatic Air Water Straight Union Two Way Connector/Coupler (Pack of 5) : Industrial & Scientific
Amazon.com: 3/16'' x 5/16'' Reducer Hose Barbed Fitting for Aquarium Air Line Tubing 5-Pack : Pet Supplies
Amazon.com: ANPTGHT 3/16” Thru-Bulk Bulkhead Plastic Hose Barb Fittings Union Adapter Fittings for Aquarium Fuel Gas Liquid Air with Metal washers (Pack of 3) : Industrial & Scientific
Amazon.com: Quickun 5/16" Hose Barb Fitting Equal Barbed T Shaped Tee Type 3 Way Plastic Joint Splicer Mender Union Adapter for Air Line Tube Hose (Pack of 5) : Industrial & Scientific
Amazon.com: ANPTGHT 3/16" Hose Barb Fitting Equal Barbed Y Shaped 3 Way plastic Tubing Joint Splicer Mender Adapter Union for Oxygen Tubing Pipe Household Fuel Gas Liquid Air (Pack of 8) :
3/16" Stem OD x 3/16" Tube OD Super Speedfit® Acetal Plug-In Elbow Tube Fitting | U.S. Plastic Corp.