Find any Amazon.com product's deals and best prices with our free Amazon deal finder and price tracker. Simply paste the product link (URL) or search by name in the box above. You'll get full product information, Deal Score, and all current deals. Shop smarter with the best Amazon deals finder in the USA.
x
Sorry, Something went wrong!
SimPure Whole House Water Filter Cartridges 20" x 4.5" Cation Exchange Resin Water Softening Filter, For DB20P, DB20P-3, WHB20, 2 Pack
✅ In stock
?
Grade
Analysis Confidence
59%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Feb 21, 2026 12:18 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
- ⏳Verdict: Analyzing…. Not able to score this deal yet.
📝 Product Overview
Product Details
✓[Premium Water Softening Filter Cartridge] The SimPure Sodium-Based Cation Resin Filter Cartridge effectively softens water by reducing hardness-causing minerals like calcium and magnesium. This process helps minimize scale buildup, protecting plumbing and household appliances while improving overall water quality for residential and industrial use.
✓[Enhanced Water Softening Efficiency] Made with high-quality sodium-based cation exchange resin, the SimPure Resin Filter Cartridge ensures efficient removal of hardness minerals. By reducing scale formation, it helps extend the lifespan of water heaters, dishwashers, and other appliances, keeping them running efficiently.
✓[Long-Lasting Performance] For optimal performance, we recommend replacing the softening resin filter every 6-12 months, depending on water hardness. To maximize efficiency and longevity, ensure a water pressure range of 25-90 psi and a temperature range of 41-100°F.
✓[Universal Fit] Designed for SimPure DB20P, DB20P-3, and other compatible 20” x 4.5” whole house water filter housings, this filter cartridge also fits a wide range of standard big filter systems, including but not limited to GE GXWH35F, GXWH40L, HB18B, WGB21B, American Plumber W15-PR, W10-PR, AP801T, AP801B, and HF45 series.
✓[Reliable Customer Support] Our expert team is ready to assist you with any questions regarding your home water filter system. Need help? American-based customer support is available for the lifetime of the product.
✓[Important Note] This filter is not fully filled to allow sufficient space to maintain efficient water flow, and prevent pressure drops. Additionally, this filter is not designed for media replacement.
⚙️ Specifications
Material
Resin
Product Dimensions
4.5"D x 4.5"W x 20"H
External Testing Certification
ANSI
Product Benefits
Improves water quality for household and industrial use by softening hard water.
Brand
SimPure
Set Name
2 Pack
Unit Count
2 Count
Compatible Water Purifier Models
3M AP801B, 3M AP801T, GE GXWH35F, GE GXWH40L, iSpring WGB21B
Number of Items
2
Item Weight
10.7 pounds
Manufacturer
SimPure
