Description: Effective Dust Filter: The vent cover filter effectively prevents dust and small objects from entering, promoting growth of your plants by maintaining a clean environment inside the tent.Dustproof Material: Grow Tents Vent Cover is made of dustproof Oxford material that not only blocks dust but also keeps the air inside the tent clean, promoting plant growth.Breathable Design: The Duct Filter Vent Cover is highly breathable to ensure air circulation, providing air for plants and helping regulate temperature and humidity inside the tent.Easy Installation and Removal: Grow Tents Vent Filter Cover is designed for convenience with easy installation and removal without any tools required. It can be easily covered on ventilation ports for daily use.Multi functional Application: Suitable for ventilation ports of various plant tents, it serves not only as a dust barrier but also as a physical barrier preventing leaves or other materials from blocking the vent. Specification: Material:Oxford Package Includes: 4Grow Tent Vent Covers Note: Please allow slightly errors 1-2cm differences due to manual measurement.