Waterdrop - Replacement for Filtrete® 3US-AF01, 3US-AS01, Aqua-Pure AP Easy C-CS-FF, WHCF-SRC, WHCF-SUFC, WHCF-SUF - White
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About this product
Replacement Model-3M Filtrete 3US-AF01, 3US-AS01, 3M AP3-765S, 3M AP3-C765, AP Easy C-CS-FF, WHCF-SRC, WHCF-SUFC, WHCF-SUF Filter Cartridge; Fits 3US-AS01 Advanced Under-Sink Filtration Systems, AP Easy CS-FF Under-Sink Filtration Systems.
Features
NSF/ANSI Certified
it effectively reduces Chlorine. Activated carbon block and other advanced filter media ensure efficient and safe filtration.
New upgrade
Keep Water Fresh-After advanced upgrade, the model number is changed from WD-3US-AF01 into WD-W01.To keep your water fresh, replace your filter every 6 months or 6,000 gallons, whichever comes first will vary based on water condition.
Stable Flow Rate
The full flow rate for waterdrop water filter is 0.75 gpm.The fast yet stable water flow gives you the same experience as your own faucet.This filter does not reduce TDS
Specifications
- BrandWaterdropModel NumberWD-3US-AF01-1Product NameReplacement for Filtrete® 3US-AF01, 3US-AS01, Aqua-Pure AP Easy C-CS-FF, WHCF-SRC, WHCF-SUFC, WHCF-SUFColorWhiteProduct Height10.98 inchesProduct Width3.66 inches
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Replacement Model-3M Filtrete 3US-AF01, 3US-AS01, 3M AP3-765S, 3M AP3-C765, AP Easy C-CS-FF, WHCF-SRC, WHCF-SUFC, WHCF-SUF Filter Cartridge; Fits 3US-AS01 Advanced Under-Sink Filtration Systems, AP Easy CS-FF Under-Sink Filtration Systems.

The Waterdrop G3P600 is a tankless under sink reverse osmosis system with 8-stage filtration, certified by NSF/ANSI 42, 58, and 372, as well as FCC, EU, and UKCA standards. Tested by SGS, it effectively reduces TDS, PFAS, fluoride, heavy metals, salts, and other contaminants, delivering up to 600 GPD with a 2:1 pure-to-drain ratio. Its smart display faucet provides real-time TDS monitoring and filter life tracking, while the sleek tankless design saves 70% under sink space and allows quick 3-second filter changes without tools. This system requires under-sink electricity and offers fast, stable water flow ideal for daily drinking and cooking.

The Waterdrop TSU is a 0.01 micron ultra-filtration under sink water filter system with a 3-stage tankless design and premium brushed nickel faucet. It reduces over 30 substances including chlorine, PFAS, heavy metals, taste, and odor while retaining beneficial minerals, without wasting water or reducing TDS. Featuring a smart panel with filter life reminders, the UF filter lasts up to 24 months, CT filter 12 months, and PP filter 6 months, minimizing maintenance costs. Compact and space-saving at just 4.68"W x 13.97"H x 14.81"L, it fits easily under most sinks and includes all components for simple installation, offering cleaner, great-tasting water with lasting convenience.

Experience reliable water right from your kitchen with this cutting-edge under-sink reverse osmosis system. With 0.53 gal/min pure water flow rate, the filtration system fills you cup in just seconds while maintaining a highly efficient 2:1 pure-to-drain ratio to reduce waste. It features advanced 8-stage filtration, including 2 PP fiberfill layers, 2 activated carbon layers, scale inhibitor membrane and RO membrane layer. The post-activated carbon layer with Alkaline filter media enhances mineral content for better taste. Moreover, the compact, tankless design saves 70% under-sink space and prevents secondary contamination. The smart faucet with TDS indicator allows you to verify filter performance at a glance. This reverse osmosis system with well-designed features will transform your tap water into crystal-clear, mineral-rich hydration.
Specs
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