The Greenway® Long life, Multi-stage Replacement Filter will last up to 4-6 months and filters over 211 gallons of water. Providing great tasting filtered water and reducing chlorine taste and odor, and particulate.

• Replacement filter for GWF7 & GWF8
• Granulated, activated carbon (GAC) filter reduces chlorine taste and odor, and particulate
• Pre-filter reduces large particles and assists in reducing unpleasant taste and odor
• Fine fiber and mesh filter reduces small particulate and directs flow of water for processing & channeling
• Ion exchange resin
• Five micron membrane is the final polishing filter
• 1 filter will last up to 6 months and filters over 211 gallons of water

Model: GWF3

• Brand: Greenway
  
• Filter Lifetime: 211 gal.
  
• Filter Size: 5 Micron
  

Standard shipping via UPS Ground is included in the quoted price. The estimated delivery time will be approximately 3 - 5 business days from the time of order.

Express shipping is via UPS. The estimated delivery time will be approximately 1 - 2 business days from the time of order.

Please choose your shipping method at checkout.

An additional Shipping and Handling fee will apply to express shipments. This fee will be quoted at checkout.

Costco.com products can be returned to any of our more than 600 Costco warehouses worldwide.

*Delivery is available to Alaska and Hawaii. An additional Shipping and Handling fee will apply to shipments going to Alaska or Hawaii. This fee will be quoted at checkout. Additional transit time may be required.

Membership: We will refund your membership fee in full at any time if you are dissatisfied.

Merchandise: We guarantee your satisfaction on every product we sell with a full refund. The following must be returned within 90 days of purchase for a refund: televisions, projectors, computers, cameras, camcorders, touch screen tablets, MP3 players and cellular phones.

How to Return: For an immediate refund (including shipping and handling), simply return your purchase at any one of our Costco warehouses worldwide. If you are unable to return your order at one of our warehouses, please email customer service or call our customer service center at 1-800-955-2292 for assistance. To expedite the processing of your return, please reference your order number.

If you request an item be picked up for return, the item must be packaged and available for pick up in the same manner as it was delivered.
If your order was delivered "curb side", it will need to be available for curb side pick up.
If the item arrived to you in a box, it will need to be in a box at the time of pick up.