Metric Male Thread M6 M6x1.0 to 4mm 1/8 inch Hose Barb Fitting Adapter Connector | eBay
4500PSI 36 Inch Paintball Line Hose For HPA SCUBA PCP Tank Fill 1/8" Quick US | eBay
Sealproof Bilge Pump Hose 1-1/8-Inch Dia Plumbing Kit | 6 FT Premium Quality Kinkfree Flexible PVC Hose Made in USA | Includes 2 Hose Clamps and Thru-Hull Fitting : Amazon.co.uk: Sports & Outdoors