8mm Superflex Supply Line Kit 8mm Supply Line Kit, available in three lengths: 25 feet, 50 feet, or 100 feet. Each kit is made with our 8mm SuperFlex tubing that is almost kink-proof, lays down easily, and can snake around beds, pots, or corners with minimal resistance. These kits make it easy to create a single irrigation zone from any water source—whether that’s a raised reservoir, pump, or hose bib. They can also be used with the Trunk Line Kit to complete multi-zone setups. Each kit includes: 25 ft, 50 ft, or 100 ft of 8mm SuperFlex tubing 4 × 8mm Tees 3 × 8mm Blumat Shut-off Valves Each length corresponds to the area it can typically irrigate: 25 ft kit = up to 25 square feet 50 ft kit = up to 50 square feet 100 ft kit = up to 100 square feet