Replacement Filters for the Watts Premier WH-LD 1-Stage Whole-House System

Watts Premier WH-LD

Watts Premier · 1-stage · 10×4.5 Big Blue

🔧 Media-based system

This system uses tank media and hardware rather than drop-in cartridges.

✓ Cross-referenced to your Watts Premier WH-LD

📋 Typical replacement: sediment every 3–6 months

Pleated or poly-spun sediment

10×4.5 Big Blue

x 5M SED 1025

Not sure this is your system? Use the Isopure Water Filter Finder → Match by system name, by the part number on your cartridge, or by photo.