Two people working in a high tunnel.

Greenhouse and Tunnel Supplies

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Create heavy-duty low tunnels that will last for years.
Bends 12' wide rigid half-pipe for DIY high tunnel. Lever bar included.
Create heavy-duty low tunnels that will last for years.
Prevents ground posts from deforming. Fits into 1 5/8" ground post.
Universal, for greenhouse and cold frame applications.
Keep your cold frame plants in their "comfort zone."
Provides additional greenhouse ventilation in hot conditions.