DESCRIPTION The Sigma automatic ventilation window is a perfect complement to your Sigma Greenhouse. Provides heat-activated ventilation and improves air circulation inside your Sigma Greenhouse. It is easy to install. You have the possibility to step-less adjust the temperature where the opener begins to react to the surrounding temperature. This opener can not be closed once it is opened. This window only work for Planta Sigma greenhouse. BUYING OPTION "Buy with a Greenhouse": You will buy this window with a new greenhouse from us, and ship it out together. "Buy for an existing greenhouse": You have a Planta greenhouse already, and buy windows only from us. FEATURE Galvanized Steel Structure Rust-Resistant 3' × 1.4' WHAT IN THE BOX Window Frame (No Panel included) Thermovent Automatic Opener Installation Video WHY IS VENTILATION SO IMPORTANT? Because in this country temperature can change drastically from cold nights to hot afternoons. To compensate for this, the Sigma greenhouse comes standard with 2 build-in windows on each entrance. however, it is still not enough to ventilate the heat and keep the greenhouse cold during the summer. SPEC FRAME MATERIAL STEEL ASSEMBLY REQUIRED (Y/N) Yes WATERPROOF (Y/N) Yes WATER-RESISTANT (Y/N) Yes MAX WINDOW OPENING 17 23/32 inch depending on adjustment and load MAX OPENING AT 86°F START OPENING TEMP 60°F-77°F SHIPPING METHOD PARCEL OR LTL w/ Greenhouse kit SHIPPING LENGTH N/A SHIPPING WIDTH N/A SHIPPING HEIGHT N/A WEIGHT AS SHIPPED 10 lbs SHIP BOX 1 Box includes Window Frame 1 Box includes Automatic Opener ASSEMBLED EXTERIOR DIMENSIONS DEPTH (IN) N/A ASSEMBLED EXTERIOR DIMENSIONS HEIGHT (IN) N/A ASSEMBLED EXTERIOR DIMENSIONS WIDTH (IN) N/A TOTAL STORAGE VOLUME (CU. FT.) N/A TOTAL STORAGE AREA (SQ/FT) N/A
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