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Pentek RFFE20-BB Big Blue Water Filter 20" x 4.5" (2-pack)

Pentek ★ 3.3/5 · ItemOracle Score Premium

$269 USD
Price subject to change
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Pentair Pentek RFFE20-BB Big Blue Water Filter, 20-Inch, Whole House Radial Flow Iron Reduction Replacement Cartridge, 20" x 4.5", Pack of 2

Whole house iron-reducing filter replacement cartridge for 20" Big Blue housings. Improves water taste and reduces rust stains; suitable for well water. Customers note improved clarity and taste, with iron removal efficacy around 3 PPM

Highlights

  • iron reduction up to 3 PPM
  • whole house filtration
  • fits 20" Big Blue housings

Pros

  • reduces dissolved iron and improves taste
  • whole house filtration on main water line
  • fits all 20" Big Blue housings
  • two-pack provides replacement cartridges
  • reduces rust stains on fixtures

Cons

  • mixed feedback on odor in filtered water
  • value for money opinions vary

Best For

  • well water iron reduction
  • household whole-home filtration
  • replacement cartridge in Big Blue housings
  • improving water taste and clarity
  • preventing rust stains on sinks and toilets
  • protecting appliances from iron-related damage

Features

  • Filters up to 3 PPM dissolved iron to improve taste
  • Whole house filtration on main water line to reduce rust stains
  • Fits all 20" Big Blue housings and 4.5" x 20" iron-reducing filters
  • Suitable for well water and replacement cartridge for 20" Big Blue
  • Recommended replacement every 3 months for a family of four

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