Unicel C-7350 Replacement Filter Cartridge – 50 sq ft
Part # C-7350 — a high-quality replacement filter cartridge designed for spa and small pool filtration systems requiring a 50 sq ft element. This cartridge restores filtration performance, improves water clarity, and helps maintain efficient system operation.
Key Features
- 50 sq ft of premium polyester filter media for strong dirt-holding capacity.
- Reinforced end caps and a durable center core for long service life.
- Open top and bottom design for easy installation in compatible housings.
- Standard dimensions: approximately 7″ diameter × 14¾″ length.
- High pleat count for extended run time between cleanings.
Typical Applications
This cartridge is ideal for spas, hot tubs, and small residential pool systems that use a 50 sq ft filtration element. It is commonly replaced when water flow decreases, pressure rises, or the original element becomes worn, torn, or permanently stained.
Installation & Compatibility Notes
Turn off the pump and relieve any system pressure before servicing. Remove the filter housing lid or cartridge cover and lift out the old element. Clean the filter tank and inspect sealing surfaces. Insert the new C-7350 cartridge, ensuring it seats correctly on the bottom support. Reassemble the housing, restore water flow and verify proper pressure and circulation.
Why Choose This Cartridge?
The C-7350 delivers reliable filtration performance with durable construction and high-quality media. Replacing worn cartridges helps maintain clean, clear water while reducing strain on your pump and prolonging equipment lifespan.
Maintenance Tips
- Clean the cartridge when system pressure rises 8–10 psi above the clean starting pressure.
- Rinse thoroughly with a hose; soak periodically in a cartridge-safe cleaning solution to remove oils and scale.
- Inspect pleats and end caps for tears, cracks or flattening — replace immediately if damaged.
- Rotate between two cartridges for improved longevity and reduced downtime.
