Our Greenhouse Auto Vent takes away the worry of losing or damaging plants through sudden changes in temperature. The vent is solar powered and thermostatically controlled, automatically opening the vent as the day warms up and closing as it cools down. Simply clamp the vent into place using the fixings provided. It can also be adjusted to individual temperature variations and requirements. Features Easy clamp fitting means no drilling required. Comes complete with all fittings and instructions. Opens up to 45cm. Keep your greenhouse at the perfect temperature. No batteries required. Dimensions Suitable for all greenhouses 6ft72Inches x 6ft72Inches and larger.
