The 3M Aqua-Pure APS117 is the original replacement filter for the Whirlpool WHCF-GAC with the addition of phosphate crystals to reduce the accumulation of rust and scale deposits. It's rigid construction eliminates sediment unloading and yields a low pressure drop.

Features:

• Effective bad taste & odor and chlorine taste & odor reduction
• Use phosphate crystals to reduce rust stains and scale deposits
• Allows maximum contact between the water and carbon
• Designed for maximum absorption
• Post-filter to reduce carbon fines
• Manufactured with FDA compliant materials
• Reduces taste, odor and chlorine
• Compatible with the Whirlpool WHCF-GAC
• 5 micron sediment filtration
• 25 cartridges per case