Description
Features
- DOUBLE SPRING: The double spring vent opener can be closed with the single spring vent, the double one has stronger thrust force, more solid, and much durable.
- STRONG MATERIAL:Aluminum frame looks more lustrous, durable and rust-proof and stainless steel accessories would last long time aluminum cylinder with paint spraying, weather resistant.
- AUTOMATIC VENT OPENER: Solar heat sensitive vent opener, automatic stretch or shrink the vent while the temperature is opening distance: 45 cm / 18 inches.
- ADJUSTABLE TEMPERATURE:Auto-opening temperature range is adjustable, when the temperature is lower than 15-25°C (60-77°F), the window will automatically close. When the temperature reaches 30°C, the window will open automatically.
- EASY TO INSTALL:universal fit for all aluminum frame for the vents weighting up to 7kg/15lb.
Product
After installed this temperature controlled automatic vent opener, your window will be a self opening one. It is solar heat sensitive that open the vent when weather warms up and then closing when it cools down. Really works well in maintain the greenhouse within the preferred temperature :Material: Aluminum+SSItem Weight: Approx. 376g / 13.26ozPackage Weight: Approx. 439g / 15.49ozPackage Size: Approx. 38 * 9.5 * 4.5cm / 14.96 * 3.74 * 1.77inPackage List:1 * Vent Opener1 * Package of Accessory1 * Manual (English)Note:Do not heat to more than 50℃(122℉).Do not dismantle the the cylinder for 24 hours before installation.
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