Darlly Standard 4′ Compact Spa Filter Cartridge

Space-Efficient Multi-Brand Compatible Filter

Product Overview

As a retailer of hot tub spare parts, I offer this compact filter cartridge designed for smaller spa systems while maintaining compatibility across multiple leading brands. This space-efficient cartridge delivers reliable filtration in a minimal footprint.

Cross-Reference Guide

This filter cartridge corresponds to:

• Darlly SC764
• Filbur FC-3120
• Pleatco PSB3.5
• Unicel C-2305

Technical Specifications

Feature	Specification
Weight	0.3 kg
Length	7 cm (0.07 m)
Width	7 cm (0.07 m)
Height	14 cm (0.14 m)
Volume	0.000686 m³
Type	Standard Replacement Cartridge
Construction	Advanced Filtration Media

Filter Features

• Compact design
• Durable core structure
• Chemical-resistant materials
• Space-efficient pleating
• Optimized dirt-holding capacity
• Reinforced end caps

Performance Benefits

This filter cartridge delivers:

• Efficient water filtration
• Consistent flow rates
• Reliable performance
• Effective debris capture
• Space-saving functionality

Maintenance Guidelines

For best results:

• Regular cleaning recommended
• Rotate between two filters
• Use appropriate cleaning solutions
• Periodic inspection advised
• Monitor water flow

Installation

Engineered for easy maintenance:

• Direct replacement design
• Universal compatibility
• Secure fit system
• Tool-free installation

This compact filter cartridge ensures reliable filtration while maintaining excellent water quality for smaller spa systems.

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Understanding Pool and Hot Tub Filtration: A Beginner's Guide

Keeping your pool or hot tub water crystal clear isn't just about adding chemicals – it all starts with proper filtration. At the heart of this system are filters and filter cartridges, the unsung heroes of water maintenance.

Why Filtration Matters

Your pool or hot tub is constantly under assault from debris, oils, and microscopic contaminants. A good filtration system traps these unwanted guests before they can turn your relaxing oasis into a murky mess. Think of it as your water's immune system, working 24/7 to keep things clean.

Filter Cartridges: The Workhorses

Filter cartridges are the removable components that do the heavy lifting in your filtration system. Made from pleated material (usually polyester or fabric), these cartridges are designed to capture particles as small as 10-15 microns – that's smaller than a human hair!

The magic happens in the pleats, which create a massive surface area for catching debris. As water flows through the cartridge, it traps:

• Dead skin cells and hair
• Leaves and organic matter
• Oils from sunscreen and cosmetics
• Microscopic particles and algae

Maintenance Matters

Even the best filter cartridges need regular care. Plan to clean them monthly and replace them annually, or sooner if they show signs of wear. A well-maintained filter not only keeps your water sparkling but also helps your pump run more efficiently, saving you money on energy costs.

Remember, investing in quality filtration is always cheaper than dealing with cloudy water or algae blooms. Your future self will thank you for taking the time to understand and maintain your filtration system properly.