Darlly Standard 25′ Spa Filter Cartridge

Premium Filtration Solution with Multi-Brand Compatibility

Product Overview

As a retailer of hot tub spare parts, I offer this professional-grade replacement filter cartridge that’s compatible with multiple leading brands. This filter cartridge combines superior filtration with versatile compatibility across various spa models.

Cross-Reference Guide

This filter cartridge matches with:

• Darlly SC716
• Filbur FC-0121
• Pleatco PTL18P4
• Unicel 4CH-21

Technical Specifications

Feature	Specification
Weight	0.9 kg
Length	12 cm (0.12 m)
Width	12 cm (0.12 m)
Height	21 cm (0.21 m)
Volume	0.003024 m³
Type	Standard Replacement Cartridge
Construction	Advanced Filtration Media

Filter Features

• Enhanced pleated surface area
• Heavy-duty core construction
• Chemical-resistant materials
• Optimized flow design
• Maximum dirt-holding capacity
• Durable end caps

Performance Benefits

This filter cartridge delivers:

• Exceptional water clarity
• Reliable flow rates
• Extended service intervals
• Consistent performance
• Superior particle capture

Maintenance Guidelines

For optimal performance:

• Regular cleaning recommended
• Alternate between two filters
• Use approved cleaning products
• Inspect seals regularly
• Monitor water flow

Installation

Engineered for simple maintenance:

• No special tools required
• Direct replacement design
• Universal fitting system
• Secure engagement

This filter cartridge ensures reliable filtration while maintaining optimal water quality for your spa system.