Castel DF303/3 (4303/3) Dehydrator Filter – 3/8″ SAE, 50 cm³

Ensure reliable operation and extend the life of your refrigeration and HVAC/R systems with the Castel DF303/3 (4303/3) Dehydrator Filter. Engineered in China, this compact filter features a 3/8″ SAE male connection and a solid‐cartridge molecular sieve providing 50 cm³ of desiccant volume. Designed to remove moisture and acidic by-products, it prevents corrosion, freeze-ups, and performance loss in compressors, valves, and piping.

Key Features

• Model: DF303/3 (4303/3) by Castel
• Connection: 3/8″ SAE male fitting
• Capacity: 50 cm³ nominal desiccant volume
• Desiccant: Solid‐cartridge molecular sieve for rapid moisture & acid absorption
• Construction: Durable copper housing with minimal pressure drop
• Origin: Made in China

Benefits

• Optimized Protection: Shields system components from corrosion and ice build-up
• Improved Reliability: Maintains clean refrigerant flow under all operating conditions
• Simple Installation: Standard SAE fitting for secure solder-in connections
• Compact Efficiency: High capacity in a small footprint