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Greenhouse Rion:Automatic Roof Opener

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Sorry this product is no longer available.

Product Info

Greenhouse Rion:Automatic Roof Opener

Automatically opens and closes Roof Vent when temperature changes. The opener has a metal cylinder containing a mineral which expands when heated. This pushes a piston that opens the vent. As the temperature cools, the mineral shrinks and a spring closes the vent and resets the piston. The opening and closing of the vent is gradual allowing just the right amount of air flow for cooling.

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Continental US	Any time	3-7 business days

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Store Rating

Master Gardening - average rating

(249 ratings)

		"ordered this product from the store, the reduced price seemed attractive. The shipping was quick and the product was at the doorstep the 3rd business day. The customer service was quick to respond with the tracking number.But when I opened the package, th"
		Date: 10/29/09
		"Quality of product was very accurately represented. Items were delivered promptly. Packaging had protected items. Yes, I would and probably will buy from shop.com again!"
		Date: 9/11/09
		"Quick fast shipment. Very satisfied"
		Date: 8/16/09
		"Was very please with my purchase.....Thanks again"
		Date: 8/8/09
		"I was very pleased with the results of the weed killer that I bought (I purchased two cans). My front yard was a nightmare with dandelions and this product took care of them very well. Thanks! And, yes I would buy again"
		Date: 7/4/09
		"Delivered in a reasonable amount of time."
		Date: 5/27/09
		"I have nothing negative about seller Master Gardening."
		Date: 5/1/09
		"The perennial planter is a super spade, and Master Gardening shipped my order immediately. It arrived sooner than I expected."
		Date: 4/26/09
		"Nice, Quality construction."
		Date: 3/30/09
		"very quick, great communication"
		Date: 3/3/09

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