The GRACO 113779 MUFFLER is a compact component designed to reduce noise generated by air or fluid flow within GRACO spray foam and lubrication equipment. Its material is not explicitly specified in available sources, but it is typically constructed from durable materials suitable for industrial environments. The muffler is intended to be installed on compatible GRACO equipment to minimize operational noise and enhance workplace safety and comfort. Key Features: Muffler SKU:. 113779 Designed for use with GRACO spray foam and lubrication systems Compact size (0.6 x 0.6 x 1.7 inches) Lightweight (0.045 lbs) Easy to install and replace Designed for reliable noise reduction Applications:Used in GRACO spray foam and lubrication equipment to reduce operational noise and improve operator comfort in industrial and maintenance settings. Installation Notes: Using genuine GRACO parts ensures optimal performance, compatibility, and longevity of equipment. Ensure equipment is depressurized before installation. Check for correct fit and orientation before securing the muffler. Regularly inspect for wear or damage and replace as needed.