Costco Water Filter Replacements

Costco's water filter replacements include Brita and PUR filter multi-packs, RO replacement sets such as the Pure Blue H2O 5-piece kit, and sometimes refrigerator filters. Before buying in bulk, confirm the exact part number and certifications, since packs may contain a different filter type from the one you use now.

What to check

• Filter type: Brita Standard vs Elite differ in life and certified contaminants.
• RO fit: confirm the set matches your exact system model before pairing them.
• Refrigerator filters: match the part number, and buy genuine or certified filters to avoid counterfeits.
• Cost per gallon: pack price divided by total rated gallons.
• Storage: keep cartridges sealed until use.
• Change schedules: pitchers every 2 to 6 months, RO pre-filters every 6 to 12 months, fridge filters every 6 months.

See Pitcher Replacement Filters, Reverse Osmosis Replacement Filters and Refrigerator Water Filters.

FAQs

Does Costco sell refrigerator water filters?

Costco has sold refrigerator water filters for some major brands at times, but the selection is limited and changes. Match the part number from your current filter, such as Samsung HAF-CIN or LG LT1000P.

Do Costco RO replacement filters fit my system?

Costco's RO replacement sets are made for specific systems, such as Pure Blue H2O models. Confirm that the set matches your exact model before buying, because brands update designs.

Are Costco Brita filter packs genuine?

Costco sources Brita filters through normal retail channels, so packs are genuine Brita products. Check whether the pack contains Standard or Elite filters, which differ in life and certifications. Buying from authorized retailers like Costco helps avoid the counterfeits sometimes found from unknown online sellers.