Amazon.com: Nylon Tube And Hose Fitting 3/4" HB x 1/2" NPT (Pack of 20) : Industrial & Scientific
Push to Connect Tube Fitting - Nylon Plastic - Bulkhead Union - 3/8" Tube OD - Walmart.com
Everbilt 1-1/4 in. Barb Nylon Splicer Fitting 800259 - The Home Depot
Straight tube to tube fittings - CPC FitQuik
Push to Connect Tube Fitting Male Elbow,8mm Tube OD x 3/8 NPT Thread Pneumatic Air Push Fit Lock Fitting - Walmart.com
Brass DOT Air Brake Fitting Nylon Tube Connector - 5/8 Inch Tube To 3/8 Inch Male Pipe Thread (MPT) | Connector-Tube to Male Pipe | DOT Air Brake Ftg.-SAE J844D Nylon Tubng
USA SEALING ZUSA-TF-PTC-27 Nylon Push to Connect Tube Fittings Male Straight: 10mm Tube 1/4" NPT Male: Amazon.com: Industrial & Scientific
TerreMax Nylon Bulkhead Fittings, 3/4 in. Female NPT, Nitrile Rubber - John M. Ellsworth Co. Inc.
Made in USA - Compression Tube Connector: 1/4 & 3/4-20″ Thread, 3/8″ Tube OD, Compression x Threaded - 32873028 - MSC Industrial Supply
ZUSA-TF-PTC-1001 | Union Cross Push to Connect Tube Fittings, Nylon | USA Industrials | MISUMI
Fittings - Nylon & Polypropylene - TerreMax
Everbilt 1/4 in. Nylon Compression Sleeve Fittings (3-Pack) 800659 - The Home Depot