Automatic Solar-Powered Vent Opener for Greenhouses & Gardens
Effortless temperature control with heat-sensitive wax piston technology—no electricity or batteries needed. Durable stainless steel and rust-resistant aluminum construction ensures long-term outdoor use. Precision-engineered dual spring system adapts to various window weights (up to 15kg), ideal for greenhouses, cold frames, or poultry coop ventilation. Plug-and-play installation with adjustable tension settings. Extends lifespan of plants/livestock by maintaining optimal airflow during heat spikes. Industrial-grade UV-resistant coating withstands harsh weather. Bulk order discounts available for commercial farms or resellers.