Product details
M.S Filter Drier 1/2″ FL Copper Braze 4/8″ 4008/4 Castel
The Castel 4008/4 M.S filter drier is engineered to safeguard refrigeration and air-conditioning systems by removing moisture, acids, and solid particles from the refrigerant circuit. Installed in the liquid line, it helps maintain system efficiency and extends the life of compressors and expansion devices. Its flare and copper braze connections provide secure and durable installation in commercial HVAC applications.
Key Benefits
Removes moisture and contaminants from refrigerant
Protects compressors and expansion valves
Improves system efficiency and reliability
1/2″ flare and 4/8″ copper braze connections
Suitable for commercial refrigeration systems
Specifications
Brand: Castel
Model: 4008/4
Product Type: M.S Filter Drier
Connection Type: Flare and Copper Braze
Connection Size (Inlet): 1/2″ FL
Connection Size (Outlet): 4/8″
Application: Refrigeration and air-conditioning systems
Installation: Liquid line mounting
Applications
Commercial refrigeration systems
Air-conditioning liquid line protection
Cold storage installations
HVAC maintenance and servicing
FAQs
What is the function of this filter drier:
It removes moisture, acids, and particles from the refrigerant to protect the system.
What type of connections does this model have:
It features a 1/2″ flare connection and a 4/8″ copper braze connection.
Where is this filter drier installed:
It is installed in the liquid line of refrigeration and HVAC systems.
Why is a filter drier important:
It prevents moisture-related damage, corrosion, and system failure, ensuring reliable operation.






