Best Industrial Process Filter Cartridges Under $100 (2026)

We selected cartridges under $100 by evaluating micron rating, media type (sediment vs carbon), physical dimensions, manufacturer (Pentek/Pentair), and normalized user value scores

Top Picks

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    Pentek 20-Inch Big Blue Sediment Filter

    Pentek 20-Inch Big Blue Sediment Filter

    Pentek • ★ 3.9/5 • Budget

    20" Big Blue sediment replacement cartridge for 20" housings. Designed to remove dirt, sand, and particulates; longer life with increased dirt-holding media. Users note durability and effective filtration

    • dual-material filtration media
    • fits standard 20" housings
    • 30%+ more dirt-holding capacity
    Check current price on Amazon →
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    Pentek 20-Inch Big Blue Sediment Filter 5 Micron

    Pentek 20-Inch Big Blue Sediment Filter 5 Micron

    Pentek • ★ 3.9/5 • Mid-Range

    20" Big Blue sediment filter cartridge with 5 micron rating; provides dirt and particulates removal to protect appliances. Customers note durability and effective iron removal in some cases

    • 5 micron sediment filtration
    • 33% more dirt holding media
    • resin-impregnated cellulose and polyester blend
    Check current price on Amazon →
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    Expandable Filter Media 16x25 for EZ Flex

    Expandable Filter Media 16x25 for EZ Flex

    Bryant/Carrier • ★ 3.6/5 • Mid-Range

    Expandable filter media cartridge for EZ Flex pleated air cleaners; designed for units using cardboard framed filters and replacements. Customers note accurate fit and easy installation

    • fits EZ Flex systems
    • pleated media efficiency
    • cardboard-framed filter replacement
    Check current price on Amazon →

Buying Guide

Match micron rating to your application

Choose sediment cartridges with appropriate micron ratings—50 micron for coarse prefiltration, 1 micron for fine particulate removal—to protect downstream equipment and membranes

Confirm housing size and length compatibility

Verify cartridge dimensions (10" vs 20" and standard 4.5" diameter) to ensure fit with Big Blue or other common housings used in industrial systems

Select media type for the contaminant

Use cellulose/polyester or spun sediment cartridges for solids, and carbon-block cartridges when chlorine, VOCs, or taste/odor control is required

Consider manufacturer and cross-compatibility

Pentek/Pentair-branded cartridges are widely specified and often cross-compatible with standard Big Blue housings, simplifying replacements and inventory

Balance lifecycle and upfront cost

Evaluate expected service life and replacement frequency—higher-efficiency or finer-micron cartridges may cost more but reduce downstream maintenance over time