1 4

AppliedMembranesInc

Water Softening Filter Cartridge | 4.5" x 20" to fit 20" Housing | Ion Exchange Filter Softens Water | Great for Washing Machines and Appliances (4.5 x 20)

Water Softening Filter Cartridge | 4.5" x 20" to fit 20" Housing | Ion Exchange Filter Softens Water | Great for Washing Machines and Appliances (4.5 x 20)

$94.03 USD
$94.03 USD
Shipping calculated at checkout.

Protect your espresso machine and appliances from the gradual buildup of hard water minerals. This ion exchange filter cartridge gently softens water before it reaches your equipment, preserving performance and extending the life of every machine it serves.

🎋 At a Glance

Cartridge Size
4.5" × 20" Standard
Filtration Method
Ion Exchange Resin
Capacity
4,500 Grains of Hardness
Flow Rate
2 GPM Maximum

📦 What's Included

💧
Ion Exchange Technology
Reduces calcium, magnesium, and iron minerals that accumulate in your equipment over time.
🛡️
Scale Prevention
Softened water protects espresso machines, washing machines, and other appliances from mineral buildup and damage.
⚙️
Easy Replacement
Fits standard 20" filter housings with straightforward cartridge installation.

📐 Specifications

Dimensions
4.5" Diameter × 20" Length
Material
Ion Exchange Resin
Weight
3.13 kg
Maximum Flow Rate
2 GPM
Hardness Capacity
4,500 Grains
Certification
NSF
Compatible Housing
20" Filter Housings (7.5" × 23" exterior)

🧼 Care

🔄
Regular Replacement
Monitor water quality and replace when saturation is reached for consistent softening performance.
💧
Proper Installation
Ensure cartridge is securely seated in housing to prevent bypassing and maintain filtration effectiveness.
✓
NSF Certified
Meets industry standards for water filtration safety and performance.

🎯 Made For

This cartridge is designed for any home or small business that relies on espresso machines, washing machines, or other appliances sensitive to hard water mineral accumulation. It fits standard 20" filter housings and works quietly in the background.

— Why We Selected This —

Hard water minerals gradually coat internal components, reducing efficiency and risking damage to precision equipment like espresso machines. Softening water at the source is the gentlest way to preserve your appliances and maintain their performance over years of use.

📦 Product Details

Brand
Applied Membranes Inc.
Filtration Process
Ion Exchange—reduces calcium, magnesium, and iron
Standard Fit
4.5" × 20" cartridge in 20" housings
Capacity
4,500 grains of hardness removal
↩️
30-Day Returns
Unused items, 30 days. Damaged, wrong, or lost made right.
🔒
Secure Checkout
Encrypted payment, trusted by Shopify.
📦
Tracked Shipping
Every order ships with tracking.
Why Home Cooks Choose SERA
✓ Hand-Curated
Every tool & ingredient is selected for quality — not mass-listed.
✓ Café & Kitchen Guidance
Clear how-to notes so you get great results at home.
✓ Real Support
Questions? Our team replies within 24–48 hours.
📬 Shipping & Delivery: Your order ships with tracking and a confirmation email. Delivery times vary by destination. Easy 30-day returns on unused items — plus damaged, wrong, or lost orders made right.
View full details

Blog posts

View all
  • Labor Day brunch café setup with cold brew carafe, iced tumblers, and a warm ceramic mug on a linen-covered light wood table

    Best Labor Day Brunch Café Setup Ideas (2026)

    Turn your Labor Day brunch into a café-worthy spread with a pre-batched cold brew bar, a self-serve pod hot station, and an espresso corner — plus the food pairings, syrup...

    Best Labor Day Brunch Café Setup Ideas (2026)

    Turn your Labor Day brunch into a café-worthy spread with a pre-batched cold brew bar, a self-serve pod hot station, and an espresso corner — plus the food pairings, syrup...

  • Homemade pumpkin spice latte in a cream stoneware mug topped with whipped cream and cinnamon on a linen tablecloth

    How to Make Pumpkin Spice Latte at Home (Café Q...

    A step-by-step guide to making a café-quality pumpkin spice latte at home, covering roast selection, espresso ratios, syrup options, milk frothing temperatures, iced and decaf variations, and the most common...

    How to Make Pumpkin Spice Latte at Home (Café Q...

    A step-by-step guide to making a café-quality pumpkin spice latte at home, covering roast selection, espresso ratios, syrup options, milk frothing temperatures, iced and decaf variations, and the most common...

  • Amber glass pumpkin spice syrup bottle beside a warm cream ceramic latte mug dusted with cinnamon, with whole cinnamon sticks and cloves on a linen-covered light wood table in autumn light

    Best Pumpkin Spice Syrups to Buy or Make (2026 ...

    A complete guide to the best pumpkin spice syrups for home café drinks — top bottled picks by flavor profile (Torani, Monin, Jordan's Skinny, artisan), a tested homemade recipe with...

    Best Pumpkin Spice Syrups to Buy or Make (2026 ...

    A complete guide to the best pumpkin spice syrups for home café drinks — top bottled picks by flavor profile (Torani, Monin, Jordan's Skinny, artisan), a tested homemade recipe with...

1 3
View all