General description Our 4 Pieces Air Compressor Muffler Filter is designed to enhance the performance of your air compressor while minimizing noise. Made from high-quality plastic material, these mufflers are environmentally friendly, durable, and easy to install and disassemble. They effectively improve the working efficiency of air compressors and protect them, extending their service life. Technical specifications Material: High-quality plastic Quantity: 4 pieces Thread size: 20mm Usage Suitable for air compressors, blowers, exhaust outlets, generators, pumps, and other noisy equipment. Helps eliminate aerodynamic noise and prevents dust from entering the equipment. Other information Package includes 4 snail-shaped mufflers to meet various daily needs.