Harmsco Calypso Blue Filter Cartridge, 20 Micron 20"x4.5"

The Harmsco Calypso Blue Filter Cartridge delivers reliable sediment reduction for residential and commercial water systems. Designed to capture dirt, rust, and silt down to 20 microns, it ensures clean water and consistent pressure. Replace the cartridge when pressure drops by 25 PSID for optimal performance.

Key Features
💧 Removes sediment, rust, and dirt for clearer water
⚙ Maintains strong flow and pressure during filtration
🧩 Compatible with standard 20"x4.5" housings
🏠 Ideal for home or light commercial filtration systems

Specification
📏 Size: 20"x4.5"
🔩 Micron rating: 20 micron
🧰 Model: HB-20-20W Calypso Blue
📦 Recommended replacement: When pressure drop reaches 25 PSID