Pentair Pentek WS-20BB, 20" Big Blue Water Softener Cartridge, 20" x 4.5"
Pentair Pentek WS-20BB, 20" Big Blue Water Softener Cartridge, 20" x 4.5"
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30-Day Hassle-Free Returns
30-Day Hassle-Free Returns
Not satisfied? Return your order within 30 days for a full refund or exchange — simple and easy.
✔ Easy return process
✔ Fast refunds
✔ No hidden conditions
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Fast U.S. Shipping
We ship within the United States only — no international delays.
✔ Processing time: 1–2 business days
✔ Delivery time: 3–7 business days
✔ Real-time tracking available
👉 Track your order anytime from the header via Track Order
About This
- CARTRIDGES USE a sodium based, non-solvent rinsed softening resin to reduce hardness, minerals and scale deposits in low flow rate applications
- FITS ALL 20" Big Blue or other heavy duty housings and can replace any 20" x 4.5" water softener cartridge
- CARTRIDGE STYLE DESIGN PROVIDES A CONVENIENT SOLUTION for delivering softened water to protect sensitive water delivery equipment
- DESIGNED TO ALLOW OPTIMAL CONTACT between water and resin surfaces, ensuring maximum ion exchange
- 4,500 GRAIN CAPACITY. Cartridge utilizes single-use resin technologies for maximum life grains capacity
Overview
- Material : Cation Resin
- Product Dimensions : 4.5"D x 4.5"W x 20"H
- Item Weight : 9.7 Pounds
- External Testing Certification : FDA
- Product Benefits : Reduces hardness, minerals, and scale deposits in low flow rate applications; Protects sensitive water delivery equipment; Provides superior protection for medical equipment, coffee and espresso appliances, beverage and food service machines Reduces hardness, minerals, and scale deposits in low flow rate applications; Protects sensitive water delivery equipment; Provides superior protection for medical equipment, coffee and espresso app… See more
Experience the difference clean, softened water makes in your daily life — from healthier skin to better tasting drinking water.
👉 Softer skin and smoother hair with every shower.
👉 Prevent scale buildup and keep your appliances running efficiently.
👉 Softer, brighter clothes that last longer with every wash.
See the Difference in Your Water — Instantly
Hard water, chlorine, and hidden contaminants can affect your health, skin, and appliances.
Our advanced filtration system removes impurities and delivers clean, safe water throughout your entire home.
Feel the difference in every drop — from your kitchen to your shower.
FAQ
Water Filtration & Home Water Guide
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Reverse Osmosis vs Water Filter — Which Is Better?
Not sure if you need Reverse Osmosis or a standard water filter? Learn the real differences, what each system removes, and how to choose the best option for your home.
Reverse Osmosis vs Water Filter — Which Is Better?
Not sure if you need Reverse Osmosis or a standard water filter? Learn the real differences, what each system removes, and how to choose the best option for your home.
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Do I Really Need a Water Filter at Home?
Wondering if your home needs a water filter? Learn how to check your water quality, compare filter types, and choose the right system for safer, better-tasting water.
Do I Really Need a Water Filter at Home?
Wondering if your home needs a water filter? Learn how to check your water quality, compare filter types, and choose the right system for safer, better-tasting water.
-
7 Signs You Have Hard Water in Your Home
Water quality plays an important role in everyday life. From drinking water to showering and washing dishes, the type of water flowing through your home affects comfort, cleanliness, and even...
7 Signs You Have Hard Water in Your Home
Water quality plays an important role in everyday life. From drinking water to showering and washing dishes, the type of water flowing through your home affects comfort, cleanliness, and even...
