Greenhouse Exhaust Shutter, Manual, 54" x 54", Aluminum, Single Panel Sigma 250 The aluminum shutter construction and

The aluminum shutter construction and greenhouse-rated ventilation equipment are built to support reliable airflow performance in a wide range of growing conditions

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Designed for compatible 10 × 13 greenhouse setups

Aeration: evenly place the clay balls mixed with the substrate

Greenhouse Exhaust Shutter, Manual, 54" x 54", Aluminum, Single Panel Sigma 250 The aluminum shutter construction andInlets are a fundamental part of a complete ventilation system, as they bring fresh air into your building to be properly mixed, circulated, and eventually exhausted. This 54" x 54" aluminum shutter is built for high performance air exchange, featuring a rigid extruded frame and reinforced welded corners that offer exceptional durability at an affordable price point. The double panel configuration ensures the unit remains robust and reliable in