SmartFlex hoses, from the makers of Flexzilla, feature a Hybrid Polymer Blend material and offer premium performance at a mid-level price point. They also have an abrasion-resistant outer cover for durability. The large grip on the female end allows you to use the power of your entire hand to make tight, leak free connections. The Hybrid Polymer Blend inner tube material is drinking water safe. SmartFlex is an adaptable, swivel-handle hose that’s an ideal choice for RV/Marine applications.