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Shop / express water replacement filters

Polyphosphate Water Replacement Filter for Whole House

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$ 69.99   $48.99   save 30%
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Discover the Freshest, Cleanest Water

Transform your home water quality with Express Water's advanced reverse osmosis and whole house filtration systems. Whether you need a comprehensive solution or replacement filters, Express Water ensures you have access to the best filtration technology for your needs.

Partnering for Clean Water

Express Water proudly supports charity: water, directing 100% of public donations to vital clean water projects worldwide.

Product Overview

Keep Impurities Out

The Express Water Polyphosphate Anti-Scale Filter (PHO) is engineered to prevent scale and corrosion while reducing silt, rust, dirt, sediment, and existing scale. Made with food-grade slow-dissolve Sodium Polyphosphate crystal beads, this high-capacity filter maximizes chemical absorption for effective anti-scale filtration.

Optimized for Your System

The PHO filter fits standard 20” housings and is compatible with most whole house filters, high-capacity systems, UV purifiers, and more. It offers exceptional longevity, filtering up to 100,000 gallons or lasting 6-12 months per filter, depending on water quality.

Key Specifications:

  • Filter Size: 4.5” x 20”
  • Material: Slow-dissolve Sodium Polyphosphate crystal beads
  • Filtration Type: Anti Scale
  • Max PSI: 80psi
  • Max Temperature: 100°F (38°C)
  • Suitable for household and well water filtration

Express Water Polyphosphate Whole House Filter

Protect your household and appliances with the Express Water Polyphosphate Whole House Anti-Scale Filter. This robust system prevents scale formation in pipes, enhancing water quality for drinking, bathing, and cooking purposes. It effectively reduces silt, dirt, rust, and sand, extending the lifespan of dishwashers, laundry machines, and other appliances while lowering energy costs.

Features:

  • Filters up to 100,000 gallons or 6-12 months
  • High flow design delivering up to 0.25 gallons per second
  • Operates under 45-80 psi and water temperatures of 40-100°F
  • Durable construction with a polypropylene shell and thermal bonded cap
  • Includes an industrial sealed silicon ring for reliability

Long-lasting Water Conditioning

Utilizing slow-dissolve Sodium Polyphosphate crystal beads, the Express Water Polyphosphate Whole House Filter provides superior scale prevention, ensuring extended filter life and maximum value.

Explore Our Range

Express Water offers a variety of filtration options to suit your needs, from standard whole house filters to anti-scale and heavy metal filter sets.


This revision maintains the original content's meaning and technical details while enhancing clarity and flow for improved readability.

product information:

AttributeValue
materialCarbon Fiber
product_dimensions4.5"D x 4.5"W x 20"H
item_weight3.6 pounds
external_testing_certificationANSI, NSF
product_benefitsPrevents scale formation and reduces impurities
brandEXPRESS WATER
upc355292590778 641990965681
global_trade_identification_number00641990965681
manufacturerExpress Water
item_model_numberFLTWH2045P
customer_reviews
ratings_count217
stars4.5
best_sellers_rank#63,518 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement)
#492 in Replacement Under-Sink Water Filters
is_discontinued_by_manufacturerNo
date_first_availableSeptember 9, 2016

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