Blue Silicone Hose Coupler, 3 1/4 inch ID, 4 inch Length - Pegasus Auto Racing Supplies
F19508 - Straight Tube Connectors for 1/4 Inch Tubing, 12 per package
Homewerks Worldwide 1-1/4-in Schedule 40 PVC Coupling in the PVC Pipe & Fittings department at Lowes.com
Brass DOT Air Brake Fitting Nylon Tube Connector - 1/4 Inch Tube To 1/8 Inch Male Pipe Thread (MPT) | Connector-Tube to Male Pipe | DOT Air Brake Ftg.-SAE J844D Nylon Tubng
Everbilt 1/4 in. OD Compression Brass Coupling Fitting 801800 - The Home Depot
Amazon.com: PureSec Push to Connect 1/4 inch Tubing Use Plastic Inline Straight Union Connector Quick Connect Fittings for Reverse Osmosis System (10, 1/4") : Everything Else
50 Pcs Sprinkler Irrigation 1/4 Inch Barb Tee Water Hose connectors Pipe Hose Fitting Joiner Drip System for 4mm/7mm Hose
DIG 1/4 in. Barb Connectors (50-Pack) H80B - The Home Depot
PVC, Barbed x Barbed, Coupling - 3ELF4|1429-012 - Grainger
Watts 5/16 In. x 5/16 In. OD Tubing Quick Connect Plastic Coupling - Parker's Building Supply
Everbilt 1/4 in. OD Compression Brass Coupling Fitting 801800 - The Home Depot
Compression Tube Fittings - Poly Male Adapters 1/2" x 1/4"
Amazon.com: JoyTube Plastic 1/4" ID Hose Barb Fittings, Equal Barbed Tee Pipe Connectors 3 Way Joint Splicer Mender Union Adapter for Boat Aquarium, Pack of 6 : Industrial & Scientific
Watts AquaLock PL-3004 Fit Tube to Pipe, 1/4" x 1/8" Push Male Adapter, 1/8- Inch MIP - Pipe Fittings - Amazon.com