Product details
Filter Cartridge 4491/A Castel
The Castel 4491/A filter cartridge is engineered for installation inside replaceable core filter drier shells. It provides effective moisture and contaminant removal, helping to protect compressors, expansion valves, and other critical refrigeration components. By replacing only the internal cartridge instead of the full shell, maintenance becomes more efficient and cost-effective.
Key Benefits
Replaceable solid core cartridge
Removes moisture, acids, and solid particles
Protects compressors and expansion devices
Reduces maintenance costs and downtime
Compatible with replaceable core filter shells
Specifications
Brand: Castel
Model: 4491/A
Product Type: Filter Cartridge
Core Type: Solid Core
Application: Refrigeration and air-conditioning systems
Compatibility: Replaceable core filter drier shells
Applications
Commercial refrigeration systems
Industrial cooling installations
Cold storage facilities
HVAC systems with replaceable core filter setups
FAQs
Is this a complete filter drier unit:
No, this is the replaceable cartridge only. The shell must be purchased separately.
What does this cartridge remove:
It removes moisture, acids, and solid contaminants from the refrigerant.
Where is this cartridge installed:
It is installed inside a compatible replaceable core filter drier shell.






