Its purpose is to connect the first stage pressure hose and second stage head rebreather. - 【PERFECT REPLACEMENT】: With sophisticated production technology, it is a perfect replacement for diving equipment accessories. Description: - 【GOOD PERFORMANCE】: The Diving Pressure Hose is suitable for second stage regulator. 【MATERIAL】: Made of PVC and copper material, the hose is lightweight, strong and reliable, which can be used for a long time. - 【APPLICATION】: Professional for regulator/, standard BCD, first stage low pressure. Size 75cm/29.53inch. Scuba Choice 350 PSI Low Pressure LP Hose for Regulator & Octopus 2nd Stage - 40" (18"-40" Sizes) Durable, Flexible, Reliable, Diving Gear Safe How a Diving Regulator Works - AquaViews - Leisure Pro 【SIMPLE TO OPERATE】: The Scuba Diving Medium Pressure Hose is easy to use, easy to install and disassemble. Specification: - Material: PVC, CopperSize Chart:75cm/29.53inchPackage Includes:1 Scuba Diving Medium Pressure LP HoseNote:Please allow slightly errors 1-2cm differences due to manual measurement. Low Pressure Hose Regulator 2nd Stage Braided Zeepro (30inch/76cm) LP Hose braided zeepro 30" for regulator 2nd stage TISHITA Scuba Diving Medium Pressure Hose 2ND Stage Regulator Beginner 75cm Parts Diving Gear Attachment For Diver Inflator Hose Keep your scuba tank topside and use this 40ft scuba hose instead. The Air Line by J Sink offers a variety of products that allow you to move freely...