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WATTS REGULATOR COMPANY

PWR04 ANNUAL FILTER KIT

PWR04 ANNUAL FILTER KIT

PWFPK4R04



Regular price $84.23
Sale price $84.23 Regular price $108.68
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🧾 What it includes (typical kit contents):

Most PWR04 / PWRO4 annual kits contain:

  • Sediment pre-filter (removes dirt, rust, particles)
  • Carbon block pre-filter (reduces chlorine, taste, odor)
  • Inline GAC post-filter (final polishing filter for taste)
  • (Sometimes) membrane included depending on kit version

 


🔧 What it’s used for:

This kit is used to:

  • Maintain RO system performance
  • Improve drinking water taste and odor
  • Protect the RO membrane from sediment/chlorine damage
  • Keep filtration efficiency within manufacturer specs

⏱️ Replacement schedule:

  • Pre/post filters: usually every 6–12 months
  • Membrane: typically every 2–3 years (varies by water quality)

PWR04 ANNUAL FILTER KIT

$84.23