UnderCover Gravity-Tube Anchor Solution for Hardpan, Asphalt Setups 

by UnderCover | Item  #: 587584 | Model #:  UC-AGT |
UnderCover Gravity-Tube Anchor Solution for Hardpan, Asphalt Setups
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  • $ 56 98
Non-member price: $62.68  Join now!
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  • Free shipping for Plus
Delivery estimates, taxes, and fees are based on ZIP Code. Club Pickup orders are based on your club’s current price and item availability on the day of payment.

About this item

Don’t get caught in unexpected wind - protect your investment and avoid potentially dangerous situations. This is the best anchoring solution for all types of free-standing structures. Even the slightest breeze can lift your canopy in a blink of an eye, possibly causing injury or frame damage. The Gravity Tube applies dynamic leveraged weight, adding up to 180 pounds. providing rock solid security in the wind when others fail.


The large top openings makes it easy to fill anywhere with no mess. Each tube can hold 5.5 gallons of water, sand or rock. Attach the Gravity-Tubes with a provided quick-tension strap for maximizing anchoring stability on all terrain applications including hardpan, asphalt and cement.


  • 180 lbs. of leveraged weight
  • Fill with water, sand of rock
  • Heavy duty PVC 22-liter tubes
  • Quick tension-strap attachment
  • * Does not include canopy

Manufacturer Info

For questions or concerns regarding this product, please contact the Manufacturer's Customer Service Department at 720-222-2523

Assembled Country


Assembled Size

30” x 12”

Component Country




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Shipping Information

Standard - 2 to 6 business days

Premium - 2 to 4 business days

Express - 1 to 2 business days

Warranty Information

This product is covered by the Sam's Club Member Satisfaction Guarantee.

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