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Portable CrystalCave Tunnel Greenhouse

The translucent CrystalCave Tunnel Greenhouse will protect your plants against birds, harsh weather and frosts and is useful to warm soil early in the growing season. CrystalCaves are lightweight and freestanding so they can be easily moved depending on your needs. There is adequate space for full-sized plants and tools or several layers of seed flats and shelves along the length of each side. We offer two sizes (9-foot and 11-foot) and they can be placed end-to-end to produce a longer shelter or special ordered in additional lengths.

See more about our CrystalCave line here

Happy customers tell about their Shelter Systems' domes Testimonials

crystalcave greenhouse crystalcave greenhouse

Easy Set Up
Your CrystalCave arrives with all hubs and clips attached. Just slip the interchangeable poles into the hubs and in 40 minutes your CrystalCave is complete. Once up, you may lift or turn your CrystalCave into position. The CrystalCave can be disassembled in 5 minutes, just remove the poles and roll up the covering into a compact package that is easily stored or transported.

Durable Materials
The Covering is made wholly of a superstrong, tear-proof
multilaminate woven ripstop film which will not rot or mildew. It is UV stabilized to withstand up to 3 years full sun exposure and treated with fire retardant. The fabric is a super strong, high tensile strength, rip-stop, completely waterproof, mildew resistant, and cannot be torn by hand even after it is cut. This US made, proprietary material is the finest material we could find to make our tents from.
The Poles are of high quality US made PVC that is admirable for its strength, resiliency, long life, natural UV stability for a long sun life, and its strength to weight and cost ratio. The poles we use are Class 200 PVC tubing.
Shelter Systems' Patented Grip Clips that we use to join the domes cover to its poles are molded of a UV stabilized resin blended specifically for it high strength and durability.

A Shelter System
The CrystalCave comes complete with clips and connectors attached to covering, poles, stakes, and instruction manual.

Shipping and storage

All Shelter Systems' StarCaves are shipped by UPS and pack up into compact packages that one person can handle, transport in a car, or store in a small space.

Crystal Cave Greenhouse Crystal Cave

Order with our secure online order form

All CrystalCave Tunnel Greenhouses are special order and not returnable.CrystalCaves can be ordered in lengths 50X, 100X, or 150X, etc for 50X, 100X, 150X, etc more in cost. Available in translucent, white, or white on the outside/black on the inside. Be sure to indicate which covering you want.

Note that the CrystalCaves have a single sewn seam from one side to the other and that for optimum water tightness this seam can be sealed with 100% silicone rubber available in a caulking gun tube.

height at max
9' CrystalCave
7 ft.
9 ft.
9 ft.
40 lb.
11' CrystalCave
7 ft
11 ft.
11 ft.
51 lb.

Be sure to look at our other garden products:
Gro-Dome 8 in use solar shed portable grenhouse pond cover

Happy customers tell about their Shelter Systems' domes Testimonials

1 1/2-YEAR GUARANTEE. If for any reason you're not completely pleased with your purchase, return it in original, clean condition within 30 days of receipt for a full refund or exchange as you wish. All items in this catalog have a warranty against defects in materials and workmanship for 1 1/2 years. Should any product prove defective we will repair or replace it at no cost to you. Special Orders are not returnable. Read Snow and Wind Warnings.

Order online with our Secure Order Form!

For fast credit card orders call 866-777-1066

Questions?   Orders & Customer Service: 866-777-1066 eleanor@shelter-systems.com    Shipping & Tracking: 831-457-1153 red64wood@aol.com Technical: 650-323-6202 shelter@best.com.   Copyright © Shelter Systems 1996 to 2006 All Rights Reserved