Bosch Refrigerator B18IF905SP Water Filter with packaging on a white background.

Bosch B36IT905NP Water Filter

1 Pack
$32.99 USD $40.00 USD
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Bosch Refrigerator B18IF905SP Water Filter with packaging on a white background.
  • Bosch Refrigerator B18IF905SP Water Filter with packaging on a white background.
  • Bosch Model B36IT905NP UltraClarity Pro water filter cartridge and its blue retail box, shown next to a refrigerator icon on a light blue gradient background with text overlays.
  • B18IF905SP Water filter cartridge showcasing coconut shell activated carbon filtration, food-grade, BPA-free, and lead-free design with coconut illustration.
  • Bosch Refrigerator B18IF905SP Water Filter UltraClarity Pro Filtration Infographic
  • Bosch UltraClarity Pro B18IF905SP refrigerator water filter infographic showing NSF certification, 200-gallon capacity, and compatibility with Bosch, Thermador, and Gaggenau.
  • Hand-installing UltraClarity Pro water filter B18IF905SP inside the refrigerator with a twist-and-lock mechanism; fresh food items are visible on shelves.
  • French Door Refrigerator Product Image
  • UltraClarity Pro Bosch Refrigerator B18IF905SP Water Filter cartridge with a white cylindrical body, blue label, and dual O-ring connector end.
  • Bosch UltraClarity Pro B18IF905SP refrigerator water filter cartridge, white cylindrical design with blue label and twist-lock handle end.
Bosch B36IT905NP Water Filter

Bosch B36IT905NP Water Filter

Your 19.4 cu. ft. French Door Refrigerator Model No. B36IT905NP uses the 11032531 water filter as a replacement.
$40.00 USD $32.99 USD
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The Bosch Refrigerator B36IT905NP Water Filter Replacement keeps water and ice tasting clean by reducing chlorine taste/odor and filtering common impurities. This bosch refrigerator water filter fits the bosch 800 series B36IT905NP and installs quickly with a simple twist-and-lock design for this bosch. Bosch Ultra Clarity Pro water filter BORPLFTR55/11032531

Bosch Ultra Clarity Pro B36IT905NP Refrigerator Water Filter is NSF/ANSI tested to ensure reliable performance and safety. Replace every 6 months for optimal filtration and enjoy better-tasting water with confidence.

Bosch UltraClarity Pro water filter (11032531) is designed to fit the Bosch B36IT905NP refrigerator for fresh-tasting water and ice.

Bosch Model B36IT905NP UltraClarity Pro water filter cartridge and its blue retail box, shown next to a refrigerator icon on a light blue gradient background with text overlays.

Key Features

  • Powerful Filtration – Reduces chlorine, odor, and bad taste for cleaner water.
  • Bosch Compatible Fit – Designed for Bosch Ultra Clarity Pro refrigerator models.
  • Easy Installation – Quick twist-and-lock replacement, no tools needed.
  • Clear Ice & Fresh Water – Improves dispenser water and ice quality.
  • 6-Month Filter Life – Long-lasting UltraClarity Pro water filter cartridge.
  • OEM Quality Design – Secure fit for Bosch B36IT905NP 500 Series and more.

Specifications

  • Part Number: 11032531
  • OEM Part Number: BORPLFTR55, BORPLFTR50, 12033030, RA450022, REPLFLTR55
  • Brand: Bosch (UltraClarity Pro Series)
  • Type: Refrigerator Water Filter Cartridge
  • Dimensions: Approx. 9.5 x 2.0 x 2.0 inches
  • Weight: Approx. 0.75 – 1 lb
  • Color: White

Our Replacement Water Filters Are NSF Certified To Reduce 99% Contaminants

Hg
Chlorine
Cl
Mercury
Pb
Lead
Pesticides
Herbicides
Pharmaceuticals

See which water and air filters are compatible with your refrigerator.

Find Compatible Models

When to Replace Your Water Filter

Person marking calendar in kitchen

Every 6 Months or 200 Gallons

Most refrigerator water filters are designed to last approximately 6 months or filter up to 200 gallons of water — whichever comes first.

Fridge control panel

When Your Fridge Displays a Filter Alert

Modern LG, Samsung, Whirlpool, and Frigidaire refrigerators have built-in filter indicators that notify you when it's time for a replacement.

Person sniffing water with concern

Changes in Taste, Odor, or Flow

A drop in water pressure, an unusual taste, or an off smell from your dispenser are clear signs your filter is overdue for a change.

Compatible Model Numbers

UltraClarity Pro water filter (11032531 / BORPLFTR55 / BORPLFTR50) is designed to fit select Bosch refrigerators, including but not limited to the following models:

B20CS30SNS, B22CS30SNS, B26FT70SNS, B36CL80ENS, B36CL80SNS, B36CL81ENG, B36CT80SNS, B36CT80SNB, B36CT81SNS, B36CD50SNS, B36CD50SNB, B36FD50SNS, B36BT935NS, B36IT905NP, B30BB935SS, B30IB905SP, B18IF905SP

Frequently Asked Questions

Q: Are UltraClarity Pro and UltraClarity the same filter?
No. UltraClarity Pro (11032531 / BORPLFTR55 / BORPLFTR50) is different from the older UltraClarity filter. Always check your refrigerator model before buying.

Q2: Is 11032531 the same as BORPLFTR55?
Yes. 11032531, BORPLFTR55, and BORPLFTR50 are interchangeable part numbers for the UltraClarity Pro water filter.

Q3: How do I know if my Bosch fridge uses UltraClarity Pro?
Check the existing filter inside your fridge or confirm your refrigerator model number in the user manual.

Q4: How long does the UltraClarity Pro filter last?
It typically lasts up to 6 months or 300–400 gallons, depending on water quality.

Q5: Why is my Bosch water filter light still on after replacement?
You may need to manually reset the filter indicator by holding the reset button for a few seconds (check your manual).

Q6: Does the UltraClarity Pro filter remove lead?
It reduces chlorine taste and odor and other common impurities. Check NSF certification details for specific contaminant reduction claims.

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H
Heather

Fits the Bosch fridge perfectly.

Z
Zolly

Water tastes much better