Blue Silicone Hose Coupler, 3 1/4 inch ID, 4 inch Length - Pegasus Auto Racing Supplies
Amazon.com: 40Pcs Plastic Quick Fitting 1/4 Inch Pneumatic Push Connector Pipe Tube Fitting Straight, Elbow Union, Y Union, Tee Union Connectors PU6,PV6,PE6,PY6 Parts for Air Hose : Industrial & Scientific
MettleAir 125PP-4B-1 PK Polypropylene Plastic 1/4" ID 1/4" NPT Male Single Barb Hose/Tubing Fitting Connector: Amazon.com: Industrial & Scientific
Reverse Osmosis 1/4" OD Hose Tube To Female Thread Plastic Pipe Fitting Quick Connector For RO Water Filter Gooseneck Faucet Tap - AliExpress
Everbilt 1/4 in. OD Compression Brass Coupling Fitting 801800 - The Home Depot
Uxcell 1-1/4" ID PVC Water Tank Pipe Fitting Straight Tube Adapter Connector, Grey - Walmart.com
F19604 - T Shaped Tubing Connectors for 1/4 Inch Tubing, Polypropylene, 12 per package
Push to Connect Fittings 1/4 Inch Od Straight Tube Fittings air line fittings
Amazon.com: PP Polypropylene Equal Barb T Tee 1/4" Hose ID Plastic Fitting Connector Boat Water Air Aquarium O2 Fuel Pack of 2 : Industrial & Scientific
Compression Tube Fittings - Poly Reducing Union Connectors 3/8" x 1/4"
PVC, Barbed x Barbed, Coupling - 3ELF4|1429-012 - Grainger
50 Pcs Sprinkler Irrigation 1/4 Inch Barb Tee Water Hose connectors Pipe Hose Fitting Joiner Drip System for 4mm/7mm Hose - AliExpress
Amazon.com: John Guest 3/8 Inch OD x 1/4 Inch NPT Male Connector, Push to Connect Plastic Plumbing Fitting, PP011222WP : Everything Else
F19508 - Straight Tube Connectors for 1/4 Inch Tubing, 12 per package
Made in USA - Compression Tube Connector: 1/4 & 3/4-20″ Thread, 3/8″ Tube OD, Compression x Threaded - 32873028 - MSC Industrial Supply