Sigma Greenhouse Roof Vent Size:3 ft. × 1.4 ft. - manual without disturbing delicate plants

without disturbing delicate plants

nitrile rubber

3-inch (185mm) length

thus its Austrian reference to ‘combination’

Sigma Greenhouse Roof Vent Size:3 ft. × 1.4 ft. - manual without disturbing delicate plantsGrow a flourishing garden unbothered by the sweltering summer heat. Easily control the airflow into your Sigma Greenhouse to bring in a refreshing breeze that helps your plants grow healthy and strong. Sigma Roof Vent Features: Made from galvanized steel and polycarbonate for long lasting durability Manual opening so you can control the ventilation of the greenhouse Rust resistant and low maintenance year round Simple design for fast and easy