2021 YYOYY Solar Heat Sensitive Greenhouse Opener Portable Vent Opener Auto online Thermo Vents Prevent wholesale from Overheating for Window Open Indoor Vents online sale

2021 YYOYY Solar Heat Sensitive Greenhouse Opener Portable Vent Opener Auto online Thermo Vents Prevent wholesale from Overheating for Window Open Indoor Vents online sale

2021 YYOYY Solar Heat Sensitive Greenhouse Opener Portable Vent Opener Auto online Thermo Vents Prevent wholesale from Overheating for Window Open Indoor Vents online sale
2021 YYOYY Solar Heat Sensitive Greenhouse Opener Portable Vent Opener Auto online Thermo Vents Prevent wholesale from Overheating for Window Open Indoor Vents online sale__after
2021 YYOYY Solar Heat Sensitive Greenhouse Opener Portable Vent Opener Auto online Thermo Vents Prevent wholesale from Overheating for Window Open Indoor Vents online sale__front
2021 YYOYY Solar Heat Sensitive Greenhouse Opener Portable Vent Opener Auto online Thermo Vents Prevent wholesale from Overheating for Window Open Indoor Vents online sale_top
2021 YYOYY Solar Heat Sensitive Greenhouse Opener Portable Vent Opener Auto online Thermo Vents Prevent wholesale from Overheating for Window Open Indoor Vents online sale__right
2021 YYOYY Solar Heat Sensitive Greenhouse Opener Portable Vent Opener Auto online Thermo Vents Prevent wholesale from Overheating for Window Open Indoor Vents online sale__below

  • Can be clamped onto or screwed onto your greenhouse frame
  • Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops
  • Perfect for your greenhouse windowopens and closes your greenhouse window
  • Please make sure your greenhouse window can be opened freely by at least 45cm (18").
  • As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating