---
product_id: 439736822
title: "Pentair Pentek WS-20BB, 20\" Big Blue Water Softener Cartridge, 20\" x 4.5\""
price: "2697 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/439736822-pentair-pentek-ws-20bb-20-big-blue-water-softener-cartridge
store_origin: DK
region: Denmark
---

# Pentair Pentek WS-20BB, 20" Big Blue Water Softener Cartridge, 20" x 4.5"

**Price:** 2697 kr
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Pentair Pentek WS-20BB, 20" Big Blue Water Softener Cartridge, 20" x 4.5"
- **How much does it cost?** 2697 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/439736822-pentair-pentek-ws-20bb-20-big-blue-water-softener-cartridge)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Pentair Pentek WS-20BB, 20" Big Blue Water Softener Cartridge, 20" x 4.5"

## Product Details

- **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

## Images

![Pentair Pentek WS-20BB, 20" Big Blue Water Softener Cartridge, 20" x 4.5" - Image 1](https://m.media-amazon.com/images/I/21XvCP+9k+L.jpg)

## Frequently Bought Together

- Pentair Pentek WS-20BB, 20" Big Blue Water Softener Cartridge, 20" x 4.5"
- Pentair Pentek EPM-10 Carbon Water Filter, 10-Inch, Under Sink Modified Epsilon Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon (PAC) Filter, 10" x 2.5", 10 Micron
- Pentair Pentek CBC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon (PAC) Filter, 20" x 4.5", 0.5 Micron

---

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**Shop now:** [https://www.desertcart.dk/products/439736822-pentair-pentek-ws-20bb-20-big-blue-water-softener-cartridge](https://www.desertcart.dk/products/439736822-pentair-pentek-ws-20bb-20-big-blue-water-softener-cartridge)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-23*