Amphenol Air LB Germany ECTA 544 Push-Pull Connectors feature a push-pull locking system and can be used in applications requiring a secure and blind connection. Amphenol Air LB Germany ECTA 544 Connectors are suitable for use in indoor areas, tanks, shelters, industrial applications, and diagnostics and laboratories. The connector series operates over a -40°C to +125°C temperature range and provides protection up to IP67.