Mastercool 90411 Flex Adapter Ball Valve connects 1/4" to 5/16" ports, specifically designed for use with R-410a refrigerant systems. A high-quality, durable fitting that ensures tight sealing and reliable operation in HVAC service applications.

The Mastercool 90411 Flex Adapter Ball Valve is ideal for HVAC technicians working with R-410a systems. This flexible adapter converts 1/4" to 5/16" connections and includes a built-in ball valve for flow control. Made with durable materials for long service life. Compact design allows for use in tight spaces. Trusted by professionals for refrigerant handling tasks.