3/4 Plastic Hose Bib 0203-07 Drain Valve is usually found inside spa cabinets to allow for draining the spa from a garden hose. This one has a 3/4 inch hose connection.
Flex PVC Hose 1/2 Inch 120-0110P - Minimum Quantity 5 Feet. Must order at least 5x this item priced per foot.
120-0110 flex hose is 1/2 inch inner diameter.