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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1
R50-BB Big Blue Sediment Filter, 10 in, 50 micron (2-pack)
Pleated 50 micron sediment cartridge for 10" Big Blue housings. Improves water clarity and protects appliances; noted for durability and easy installation
- fits 10" Big Blue housings
- 50 micron pleated filter
- pack of 2 for value
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2
Pentek DGD-2501-20 Big Blue sediment filter cartridge
20-inch sediment filter cartridge for whole-house use. Removes dirt, sand, silt and particulates without imparting taste, odor, or color. Customers note easy installation and six-month durability
- dual-gradient density design
- 3X dirt-holding capacity
- NSF/ANSI 42 certified
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3
Pentek 10" Big Blue Carbon Block Replacement Cartridge
Carbon water filter cartridge for 10" Big Blue housings, provides chlorine taste and odor reduction with high porosity design. Customers note effective filtration and improved water taste, with some reporting pressure changes
- chlorine taste & odor reduction
- fits 10" Big Blue housings
- NSF certified
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4
Pentek 20-inch Big Blue sediment filter replacement cartridge
20" x 4.5" sediment filter cartridge for 20" Big Blue housings. Improves water clarity with resin-impregnated cellulose and polyester blend. Customers report effective filtration and durable fit in housing
- larger dirt-holding media
- blend of resin-impregnated cellulose and polyester
- universal 20" Big Blue compatibility
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5
Pentek 20-Inch Big Blue Sediment Filter
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
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6
Pentek 20-Inch Big Blue Sediment Filter 5 Micron
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
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7
Pentek Big Blue Sediment Water Filter 10" x 4.5" 5 micron (2-pack)
Sediment filter cartridge designed for 10" Big Blue housings. Removes dirt, sand, silt, and particulates for cleaner water and protected appliances. Customer feedback notes durability of media
- 5 micron filtration
- heavy-duty 10" x 4.5" cartridge
- resin-impregnated cellulose & polyester mix
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8
Expandable Filter Media 16x25 for EZ Flex
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