Refrigerator Filters
  • Whole House Filtration
  • Air Filters
  • Water Filters
  • PENTEK-R30-BB

    R30-BB Pentek Whole House Water Filter Replacement Cartridge

    High Stock (68)
    Fits the Pentek Big Blue or any other heavy duty water filtration system housing that uses 9 3/4-inch x 4 1/2-inch cartridges
    Choose a Pack Size:
    Your Product Purchase Options
    No available purchase options for this selection.
    Deliver Every:
    • Ships fast!

    • Washable and reusable

    • Captures more dirt, while resisting bacteria and chemicals

    Features Icon Features & Specs
    Package Qty: 1
    Manufacturer: Pentair Water
    Manufacturer's Id: R30-BB
    UPC: 051678101438
    Actual Size (in): 9 3/4 inches (length) x 4 1/2 inches (outside diameter)
    Media: Pleated Polyester
    Primary Filter Media: Pleated Polyester
    Operating Temperature (Β°F): 40 - 125
    Operating Temperature (Β°C): 4.4 - 51.7
    Brand: Pentek
    Advertised Size: 10 x 4-1/2
    Length (in): 9.75 in
    Outside Diameter (in): 4.5 in
    Width (in): 4.5 in
    Materials of Construction: Core: Polypropylene, End Caps: Vinyl Plastisol, Filter Media: Non-Woven Polyester
    Media Type: Sediment Filter
    UPC's For Search: 10051678101435 | 051678101438
    Country of Origin: Mexico
    Micron Rating Nominal: 30
    Flow Rate (gpm): 10.0
    Includes: One 9-3/4 x 4-1/2 Inch Pentek R30-BB Pleated Polyester Water Filter
    description Icon Instructions
    1. Turn off water supply. Press red pressure-relief button (if present).
    2. Unscrew housing. Remove large o-ring, wipe clean and set aside.
    3. Discard used filter cartridge. Wash housing with dish soap and warm water using a nonabrasive sponge or cloth. Rinse thoroughly. Fill 1/3 with water. Add about 1 tablespoon of bleach and scrub to disinfect. Rinse thoroughly.
    4. Fill 1/3 with water. Add about 1 tablespoon of bleach and scrub to disinfect. Rinse thoroughly.
    5. Lubricate o-ring with clean silicone grease. Change o-ring if any damage cuts or degradation are present. Insert o-ring in groove.
    6. NOTE: This step is important to ensure a proper housing seal. Make certain the o-ring is seated level in the groove.
    7. Insert new filter cartridge.
    8. Screw housing onto the cap and hand-tighten. Do not over tighten. Make sure cap standpipe slips into cartridge.
    9. Turn on water supply. Press pressure-relief button (if present). Check for leaks before leaving installation.
    file_download Icon Downloads
    Premium Quality Icon Certifications
  • NSF/ANSI Standard 42
  • warning Icon Contaminants Reduced
  • Dirt
  • Sand
  • Sediment
  • Silt
  • filter Icon Filter Life
    Filter Life (months): 6 months

    Washable and reusable, the R30-BB Pentek whole house water filter replacement cartridge is an economical way to ensure the water in your home or business remains virtually free of sediment. A genuine OE part, designed by Pentek to be resistant to both bacteria and chemicals, while capturing the maximum amount of dirt. Order the replacement R30-BB Pentek whole house water filter cartridge you need today!

    The Pentek R30-BB is a 30-micron pleated sediment filter designed for 4.5-inch x 10-inch Big Blue whole house filter housings. It is one of the most widely specified whole house sediment filters in the US residential and light commercial market.

    What the R30-BB Does

    The 30-micron nominal rating captures sediment, silt, rust, scale, and other particulate matter at and above that size. It is typically used as a pre-filter ahead of carbon filters, water softeners, UV systems, or reverse osmosis systems to protect downstream equipment from particulate fouling.

    Key Specifications

    Specification Detail
    Nominal Micron Rating 30 microns
    Dimensions 4.5" x 10" (Big Blue)
    Filter Media Pleated Polyester
    Max Operating Temperature 125 degrees F
    Max Flow Rate 10 GPM
    Compatible Housing Standard 4.5" x 10" Big Blue housings
    OEM Equivalent Pentek R30-BB, comparable equivalents


    Where It Fits in a Whole House System

    In a typical whole-house multi-stage setup, a 30-micron sediment filter like the R30-BB is installed as the first stage. It removes the bulk of particulate matter before water reaches more refined filtration stages. This extends the life of downstream filters, softener resin, and RO membranes by preventing premature fouling.

    Replacement Schedule

    Filter replacement interval depends on source water sediment load. For municipal water with low sediment, 3-month replacement is common. For well water or water with high silt content, monthly inspection and more frequent replacement may be needed. Inspect the filter by color -- a heavily discolored or collapsed cartridge should be replaced immediately, regardless of the scheduled interval.


    Frequently Asked Questions

    PENTEK-R30-BB   is comparable with the following part number(s)

    • 155101-43
    • PENTEK-R30-BB
    • R30-BB