Our replacement filters reduce many of the undesired extras that come out of your tap. Our latest filters don''t require pre-soak, and won''t leave black flecks in your water. Replace every 40 gallons or every two months for best results.• 40 gal. filter life• Easy installation• No pre-soak• BPA free• Taste: Filter out odors and impurities• Health: Hydrate with clean filtered water• Value: Ditch disposable bottles and save• Sustainability: Cut plastic bottle waste for good• Silverized activated carbon & ion exchange resin that works on a hydrogen exchange cycle• Water passes through filter by gravity• Each filter provides 135 qt• Tested & certified by national sanitation foundation• 1 count.What it Filters:• Your Brita pitcher and dispenser filter helps reduce the amount of chlorine, copper, cadmium and mercury "” all of which may be found in tap water. See the User"™s Guide for more details (Substances reduced may not be in all users"™ water).FAQ''s:How Often Should I Change My Brita Filter?• For optimum performance of your Brita product, it''s important to change your Brita filter on a regular basis. Users with hard water should increase filter changes• Brita Pitchers and Dispensers: Replace filter every 40 gallons or 2 months• Brita Water Bottles: Replace filter every 40 gallons or 2 months• Brita Faucet Water Filter Systems: Model OPFF-100: Replace filter every 94 gallons or 3 months. Model SAFF-100: Replace filter every 100 gallons or 4 months. Model FF-100: Replace filter every 100 gallons or 4 months.How Do I Prepare And Change The Filter In My Brita Products?• Just a few simple steps and you''re on your way to enjoying healthier, great-tasting water with your Brita Pitcher, Dispenser, Faucet System or Bottle "“ no filter soaking needed!Brita Pitcher and Dispenser Filters (no need to soak)• Flush Brita filter with cold water for 15 seconds• Insert filter into reservoir by lining up groove in filter with notch in reservoir (you"™ll notice that one is longer than the other. Press firmly to ensure a tight seal• Add cold tap water. Discard your first 3 pitchers of filter water, or use this water for plants. It is normal for carbon dust to appear in your first fillings• Replace filter every 40 gallons or two months.