Description This durable air admittance valve is designed for reliable performance in drainage systems. Constructed from high-quality PVC material, it ensures long-lasting use and resistance to environmental factors. The compact design and precise craftsmanship enhance functionality and ease of installation. This valve helps maintain system efficiency by allowing air to enter the drainage system while preventing sewer gases from escaping. It effectively protects the water seal under negative pressure conditions and prevents gas release during positive pressure events. Ideal for use in various plumbing applications, this air admittance valve provides a practical and efficient ventilation solution. Features - Color: White - Material: PVC - Size: 8.80 x 8.80 x 5.00 cm / 3.46 x 3.46 x 1.97 in - PVC air admittance valve for drainage systems - Enables automatic ventilation to support efficient drainage - Maintains water seal integrity under negative pressure - Prevents the release of sewer gases during positive pressure - Easy to install by inserting the outer pipe and securing for a tight fit Package List 1 x Air Admittance Valve