Undercover Gravity Tubes fill with sand, rocks, gravel, or other ballast and suspend with tensioning straps to each corner leg, firmly anchoring your canopy to the ground. The four tubes fill in seconds, adding up to 175 pounds in leveraged weight. Each set includes four tubes complete with tensioning straps. Ideal for setting up your canopy on concrete, hardpan ground, asphalt, or soft dirt or sand.
- Revolutionary gravity-reliant design
- Allows you to add up to 175 lbs. of leveraged weight
- Tubes can be filled with sand, dirt, rocks, or water
- Suitable for use in hardpan, cement, soft dirt, sand, and asphalt applications
- Set includes four tubes and tensioning straps
- Please note: Always securely anchor all four legs; dismantle canopy inwinds of 15 mph or greater
- Two-year Manufacuterer's Warranty