AOK20B Automatic Drain Filter for Air Compressors with Automatic Drain Valve - What it is an automatic drain filter for air compressors with an integrated automatic drain valve - Why you need it removes condensate automatically protects downstream components and filters reduces manual draining and maintenance downtime and helps deliver drier cleaner compressed air - Key features aluminum die cast body for durability compact design that fits tight spaces compatible with many standard air compressor installations and common fittings - Performance efficient condensate separation and air filtration to improve output quality and protect sensitive tools - Use scenarios - In a busy workshop with humid lines and oily condensate - On a portable compressor at job sites workshops or service calls - On a production line or spray booth where dry clean air is critical for pneumatic equipment and finish quality - Maintenance minimal upkeep automatic drain handles condensate periodic checks recommended - Model AOK20B