Metpure Universal 5 Micron 20” x 4.5” Whole House Carbon Water Filter Cartridge Replacement - Coconut Shell Activated Carbon Block CTO. Compatible with Pentek, iSpring, and more. 1-Pack
Metpure Universal 5 Micron 20” x 4.5” Whole House Carbon Water Filter Cartridge Replacement - Coconut Shell Activated Carbon Block CTO. Compatible with Pentek, iSpring, and more. 1-Pack
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Metpure Universal 5 Micron 20” x 4.5” Whole House Carbon Water Filter Cartridge Replacement - Coconut Shell Activated Carbon Block CTO. Compatible with Pentek, iSpring, and more. 1-Pack

|8 ratings

Key item features

  • Manufactured with high purity coconut shell activated carbon, then compressed into block form.  Filter is wrapped with dense PP food-grade non-shedding fabric, preventing carbon fines from entering the filtered water.
  • For drinking water applications.
  • Do not use where water is microbiologically unsafe or of unknown quality without adequate disinfection before or after the filter.
  • Flush the filter with at least 3 gallons of water prior to usage or if contains carbon, until black carbon residue disappears.
  • To avoid danger of suffocation, keep plastic wrapper away from babies and children. Do not use in cribs, beds, carriages or playpens. The plastic wrapper is not a toy. Discard plastic wrapper and any other packing materials immediately after removing product.
  • Use proper filter housing matching the specs of this filter.
  • Temperature rating: 40 F - 125 F (4.5 C - 51.6 C).
  • Service Life: 6-12 months / 51,000 gallons (193,000 L).
Current price is $42.79
Price when purchased online
  • Free shipping
  • Free 90-day returns

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Arrives by Wed, Jun 17
Sold by Metpure Inc.Pro Seller
Fulfilled by Walmart
4.542857142857143 stars out of 5, based on 70 seller reviews(4.5)
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4.9 out of 5 stars
stars8 ratings6 reviews
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Showing 1-3 of 6 reviews

Apr 16, 2026
RABunyak
Item details
Size: 4.5" x 10" [2 Pack]
Sold byMetpure Inc.Delivered byWalmart
5 out of 5 stars review

Verified Purchase

Very sturdy! Also long lasting.

Helpful?76B9XO2W65FT5415616452
May 26, 2025
Cindy
Item details
Size: 4.5" x 20"
Sold byMetpure Inc.Delivered byWalmart
5 out of 5 stars review

Verified Purchase

easy to install

Helpful?76B9XO2W65FT5415616452
Aug 15, 2024
Renee
5 out of 5 stars review

Seller Verified Purchase

It is very sturdy. Thai water filte...

It is very sturdy. Thai water filter is also very heavy. The gaskets are made well. In time I'm excited to see if this filter works better than my current one but it already seems better.

Incentivized Review
Review from Field Agent
Helpful?76B9XO2W65FT5415616452