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Waterdrop

Waterdrop Plus 644845 Refrigerator Water Filter 3 Pack

  • External Testing Certification: NSF
  • Number of Items: 3
  • Unit Count: 3
  • Item Dimensions D x W x H: 2.2 × 6.5 × 8.7 inches

Last refreshed Jun 15, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A budget-friendly Bosch filter replacement that fits well for most buyers, though a design mismatch caused a leak for at least one reviewer.

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ASIN: B07WLZ38NQModel: Plus 644845Category: Refrigerator Water Filters

More from this brandAll Waterdrop refrigerator water filters

Overview

A three-pack refrigerator water filter engineered as a replacement for Bosch 644845, 11034152 and UltraClarity REPLFLTR10 filters, plus listed compatibility with select Haier and Miele KWF1000 models.

  • Replacement for Bosch BORPLFTR10, not BORPLFTR20
  • NSF/ANSI 401, 53 and 42 certifications cited
  • Rated for about 300 gallons or 6 months
  • 3 filters included per pack

Who it's for

For households replacing an aging Bosch, UltraClarity or compatible Haier or Miele KWF1000 filter who want a cheaper alternative to OEM pricing. Not for anyone with a BORPLFTR20 filter slot.

Pros and cons

Pros
  • Fits Bosch 644845, 11034152 and UltraClarity slots
  • Costs a fraction of OEM filter pricing
  • Reduces lead per NSF/ANSI 53 testing
  • Comes as a 3-filter pack

Specifications

BrandWaterdrop
ModelPlus 644845
Dimensions & fit
Item Dimensions D x W x H2.2 × 6.5 × 8.7 inches
Included components
Unit Count3
Other details
External Testing CertificationNSF
Number of Items3
Set Name3 Pack
Item Type NameWater Filter

Frequently asked questions

Does this Waterdrop filter fit BORPLFTR20?

No, the listing states it's a replacement for BORPLFTR10, not BORPLFTR20.

How long does the Waterdrop 644845 filter last?

It's rated for about 300 gallons or 6 months, whichever comes first.

Will this filter fit a Thermador refrigerator?

At least one reviewer confirms it fit and worked well in a Thermador unit that uses the same filter slot as compatible Bosch models.