The RV360 Water Hose Extender / Protector installs between the faucet and the water filter to provide an extra 5.5" reach for easily attaching your RV360 Water Filter. This hose protector is also surrounded by a heavy metal spring to help prevent your water hose from crimping and kinking. This drinking water safe hose is made with FDA-approved materials and brass fittings. Surrounded by a heavy metal spring Prevents water hose from crimping & kinking Made with FDA-approved materials to be drinking water safe | RV360 Flexible Water Hose Extender / Protector for High Flow Water Filter