AFWFilters CF2-4520-SDNT 20-inch 2 Stage Sediment-Nitrate Big Blue Whole House Water Filter

  • Complete system with filters. Sediment filter – 5-micron, Nitrate filter, Standard 4.5-inch x 20-inch filters, 1-inch inlet/outlet connections, Pressure release button, Includes mounting bracket and housing wrench
  • Big blue filter system for superior treatment and low pressure loss. The initial sediment filter reduces sand, sediment, dirt, and other particulates. This extends the life of the nitrate filter and allows it reduce nitrates and nitrates without clogging up with sediment.
  • Filter cartridge Certified to NSF/ANSI Standard 42 and NSF/ANSI Standard 61 for material requirement(s) only. Filter Cartridge Certified to NSF/ANSI Standard 372 for low lead compliance.
  • RESINTECH SIR-100-HP MEDIA CERTIFIED BY WATER QUALITY ASSOCIATION (WQA). AF Series nitrate selective resin is WQA Gold Seal Certified and meets NSF/ANSI 61 guidelines. ResinTech SIR-100-HP the highest operating capacity of any nitrate selective resin. ResinTech SIR-100-HP is uniform particle size, low-pressure drop and has superior physical stability

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