15pcs Greenhouses Pulley Plastic White Durable Ventilator Pulley Wheel for Agriculture Livestock Farms Greenhouses

Feature: 1. [Easy Installation] This greenhouse pulley is easy to install, does not require complicated tools, and saves time and effort. 2. [Good Windproof Effect] The pulley reduces the resistance of opening and closing the airflow outlet, increases the service life of the automatic fan. 3. [Sturdy Durable] Made of high quality plastic materials, these greenhouse roller skates are sturdy, corrosion resistant and durable. 4. [Wide application] Suitable for the fixed pulley of the greenhouse, fixed in the sealing position of the membrane rope, and used with the fan, 5. [Widely Used] These ventilator pulley wheels can be used in agriculture, animal husbandry farms, greenhouses and other places. Specification: Item Type: Greenhouses Pulley Material: Plastic Size: Approx. 8 x 4.5 x 3.8cm 3.1 x 1.8 x 1.5in Weight: Approx. 340g 12.0oz Application Scope: Greenhouse Ventilator. Package List: 15 x Greenhouses Pulley