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About this item

• Designed for WD-TST-UF Systems: This under sink replacement filter set is made for the Waterdrop WD-TST-UF under sink water filtration system and includes all three replacement filter types: P1, U2, and C3.
• 3-Stage Replacement Filter Set: The P1 filter captures sediment such as rust, sand, and larger particles. The U2 filter uses a 0.01-micron ultrafiltration membrane to block most contaminants larger than 0.01 micron, while the C3 activated carbon filter helps reduce unpleasant taste and odor for fresher water.
• Quick & Simple Filter Changes: Routine maintenance is easy—just unscrew the reusable outer housing, remove the used cartridge, and insert the new filter. The straightforward replacement process helps save time and effort.
• Fast, Steady Water Flow: Enjoy a flow rate of up to 1.59 GPM, capable of filling an 8 oz cup in approximately 2.3 seconds. The high-flow design provides a consistent supply of filtered water for daily drinking and cooking needs.
• Reusable Housing, Less Waste: Only the internal filter cartridge needs to be replaced while the outer housing can continue to be used. This reusable design helps reduce unnecessary waste, replacement costs, and ongoing maintenance.

Waterdrop P1+U2+C3 Under Sink Ultra Filtration Water Filter, Replacement for TST-UF Ultra-Filtration Under Sink Water Filter System