4mm Rubber Cotton Overbraid Fuel Hose DIN 73379 - 4 Metre
Huamade 1 Meter 2mm 3mm 4mm 5mm 6mm 8mm 10mm 12mm 14mm 16mm Id Blue Rubber Hose Flexible Soft Silicone Tube Pipe For Aquarium Air Pump | Fruugo UK
4mm I D X 6mm O D Clear Transulcent Silicone Hose Pipe Tubing
Silicone Tube 3/32"(2mm) ID x 5/32"(4mm) OD Clear Flexible Silicone Rubber Tubing Water Air Hose Pipe Transparent (3.3ft / 1m;2 x 4mm) : Amazon.co.uk: Business, Industry & Science