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Freddox Core Block – Replaceable Filter Drier Core
48 cu.in. solid core solutions for moisture removal, acid control and refrigeration-system protection.
48 cu.in. Core Replaceable Core Molecular Sieve Moisture Protection Anti-Acid OptionReliable Protection Inside the Refrigeration System
The Freddox Core Block is a replaceable 48 cu.in. solid filter drier core designed for refrigeration and air-conditioning systems.
Installed inside a compatible replaceable-core filter drier shell, the core helps remove contaminants from the refrigerant circuit and provides protection according to the selected core formulation.
Freddox provides two main formulations: GCFD3020B for high moisture-removal capacity and GCFD3025B for anti-acid / burnout applications.
Freddox Core Block Models
| Model / Item Number | Core Size | Composition | Core Type | Main Purpose |
|---|---|---|---|---|
| GCFD3020B | 48 cu.in. | 100% Molecular Sieve | High Capacity | High moisture removal / drying capacity |
| GCFD3025B | 48 cu.in. | 80% Molecular Sieve 20% Activated Alumina |
Anti-Acid / Burnout | Moisture removal + enhanced acid adsorption |
Which Freddox Core Should I Choose?
💧 GCFD3020B
100% Molecular SieveDesigned when high moisture-removal capacity is the main requirement.
Best suited for:
- Normal refrigeration system protection
- High drying-capacity requirements
- Moisture removal
- Routine core replacement
⚠ GCFD3025B
80% Molecular Sieve + 20% Activated AluminaDesigned as an anti-acid burnout core drier where additional acid adsorption is required.
Best suited for:
- System clean-up
- Acid contamination control
- After compressor burnout
- Moisture + acid removal
How Does a Core Block Protect the System?
High Moisture Adsorption Capacity
Freddox publishes water-capacity data for both core formulations across several common refrigeration refrigerants.
| Model | Water Capacity at +24°C (g H₂O) | ||||
|---|---|---|---|---|---|
| R134a | R22 | R404A | R407C | R410A | |
| GCFD3020B | 82 | 75 | 84 | 67 | 73 |
| GCFD3025B | 70 | 64 | 71 | 57 | 64 |
Core Dimensions
Typical Applications
Why Use a Replaceable Core?
Unlike a sealed disposable filter drier, a replaceable-core shell allows the internal core to be removed and replaced during refrigeration system servicing.
Simple Freddox Core Selection Guide
Choose GCFD3020B When:
✓ High moisture capacity is required✓ System condition is generally normal
✓ Drying performance is the priority
✓ 100% molecular sieve is preferred
Choose GCFD3025B When:
✓ Acid contamination is a concern✓ Cleaning up after compressor burnout
✓ Moisture and acid adsorption are required
✓ Activated alumina formulation is preferred
Freddox Core Block Supplier in Malaysia
Looking for a Freddox 48 cu.in. Core Block for your refrigeration filter drier shell?
Provide your existing filter drier shell model, refrigerant and application for suitable core selection.
Inquiry - Freddox Core Block
