Lime/Scale Reducing Carbon Water Filter Cartridge – 4.5" x 20" | Fits Aqua TrueBlue & Big Blue Housings | Reduces Hard Water Scale, Improves Taste & Odor | Whole House Replacement Filter

This premium 4.5" x 20" refillable water filter cartridge is designed to reduce scale, chlorine, bad taste, and odor while also helping to control iron and corrosion. It features a high-performance blend of Granular Activated Coconut Shell Carbon (GAC) and Slow Phos phosphate crystals, making it ideal for whole-house water filtration systems. The Slow Phos media helps inhibit scale formation and corrosion in plumbing and appliances, while the coconut shell carbon improves water taste and removes unwanted odors. This combination is particularly effective for homes using municipal or well water with moderate hardness or mineral content. Compatible with any standard 4.5" x 20" Big Blue housing, this filter is refillable, allowing for convenient media replacement and long-term cost savings.

• 📏 Standard Size: Fits all 4.5" x 20" Big Blue-style filter housings
• 🧪 Dual Media Blend: Granular Activated Coconut Shell Carbon (GAC) + Slow Phos phosphate
• 💧 Reduces: Chlorine taste and odor Unpleasant smells Scale buildup Corrosion in pipes and appliances Iron staining
• 🔁 Refillable Cartridge: Eco-friendly and cost-effective – simply replace media when needed
• 🏠 Whole House Filtration: Ideal for municipal or well water applications
• 🔧 Easy Installation: Drop-in design makes replacement quick and simple
• ⚠️ Note: Filtration effectiveness depends on local water chemistry and quality