General description The Pack of Air Compressor Muffler Filter is designed to enhance the performance of various noisy equipment. Made from high-quality, environmentally friendly plastic, this durable muffler filter is easy to install and disassemble, ensuring long-lasting use. Technical specifications Thread size: 20 mm Material: High-quality plastic Usage Suitable for air compressors, blowers, exhaust outlets, generators, pumps, and other noisy equipment. Effectively reduces aerodynamic noise and prevents dust from entering the equipment. Package includes 4 pieces of snail-shaped mufflers.