DESCRIPTION The RSI Louvered Window Vent, crafted from durable extruded aluminum, offers optimal temperature control for greenhouses. With its automatic adjustment based on internal temperatures and an easy-to-install design measuring roughly 18” x 18”, this vent ensures both efficient cooling and protection against pests. Enhance your greenhouse with the RSI vent. FEATURE 18-inch x 18-inch square. Will work with almost any structure Made from non-rusting extruded Aluminum. Temperature sensitive - Automatic opener arm included taking the guesswork out of when to open and close. Louver slat fold into of themselves to prevent insects from entering when closed. Natural Aluminum color PROUDLY DESIGNED & MADE IN THE USA! SUPPORT 1-year limited warranty Manual SPEC Size: 18" x 18" x 4" Thermostat: Included Weight: 10Lb
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