Air Ventilators Features

• Helps prolong life of insulation, shingles, roofing material and rafters.
• Energy free cooling, cuts on air conditioning cos reduces winter moisture damage.
• Stainless Steel Shaft with Teflon self lubricated bearing for durability and friction free turning.
• Precision balanced, low inertia head design, turns in the slightest breeze.
• Smooth and quite operations.
• Attractive low profile design.
• Ribbed design adds strength, high speed limiting device protects against high wind and to shed water.