FM-4000B PUR Advanced Water Faucet Filtration System

Price $49.99
Availability: Out of stock
Fits most standard residential sinks
  • Ships fast!
  • Installs with one click
  • Reduces up to 99% of lead and trace pharmaceuticals
  • Ensures you serve the cleanest tasting water directly from your tap
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Engineered from durable stainless steel that provides your kitchen a modern and sleek look, the FM-4000B PUR Advanced water faucet filtration system will provide up to 100 gallons of the cleanest tasting water imaginable, directly from your tap. Installs with one simple click and goes to work immediately, reducing up to 99% of lead and trace pharmaceuticals. A 360-degree swivel ensures this system will fit easily into most standard residential sinks. Uses MineralClear water filters that add crispness to the flavor of your water, thanks to a unique natural mineral makeup. Comes complete with a two-year warranty. Order the FM-4000B PUR Advanced water faucet filtration system from us today.
Package Qty 1
Used In Brands PUR
Manufacturer's Id PUR-FM-4000B
UPC 723987040004
Color Silver
Warranty Guarantee 2 year limited warranty

The PUR-FM-4000B is comparable with the following part numbers

FM-3000 FM-3333 FM-3333B FM-3333B-NM
FM-3333BNM FM-3350 FM-3400 FM-3400B
FM-3500 FM-3500B FM-3550 FM-3600
FM-3700 FM-3700B FM-3800 FM-4010-L
FM-4100 FM-4100B FM-4200-L FM-4300-L
FM-4400 FM-4500-L FM-4550-L FM-4600-B
FM-4700-L FM-4800-B FM-4900-L FM-5050B
FM-5050C FM-7300 FM-7400 FM-7500
FM-7600 FM-8100 FM-8200 FM-8300
FM-8400 FM-8500 FM-8700 FM-8800
FM-9000 FM-9100 FM-9300 FM-9400
FM-9400B FM-9500 FM-9600 FM-9600B
FM-9700 FM-9800 FM-9900

The PUR-FM-4000B fits the following model numbers

84832894 Classic Clear Filter Mineral Clear Mineral Clear Filter
MineralClear MineralClear Filter PUR Classic Clear PUR Mineral Clear
PUR MineralClear PUR-RF9999-2NM RF-3050 RF-3375
RF-4050 RF-9999 RF-9999-1 RF-9999-2
RF-9999-2NM RF-9999-3 RF-9999-6 RF3050
RF3375 RF4050 RF9999 RF9999-1
RF9999-2 RF9999-2NM RF9999-3 RF9999-6

User Guide


  1. Remove the faucet aerator and old washer.
  2. Choose a faucet adapter by selecting the faucet thread style that best matches your faucet.
  3. Ensure rubber washer is inside threaded end of faucet adapter and hand tighten.
  4. Twist top cover off PUR faucet filter unit and insert filter (note: filter will fit loosely in the unit) and replace the cover.
  5. Attach the filter unit to your faucet with the PUR logo facing the front by pushing the unit up until you hear it click onto the faucet.
  6. Run cold water for 5 minutes with the faucet set to the filtered position to flush the filter cartridge.
  7. For filtered water push down on the water switch (do not run this position with hot water).
  8. For unfiltered water pull up on the water switch (it is okay to run hot water in the filter-off position.

Reset Instructions