Best Cartridge Pool Filters Under $100 (2026)
We ranked cartridge pool filters under $100 by a value score combining average user rating, product features (surface area, thread type), and pack size or compatibility tags
This roundup covers cartridge-style pool and spa filters priced under $100, focusing on value, compatibility, and filtration area for small pools and hot tubs. Selections were ranked by a value score that balances user ratings, cartridge surface area or compatibility, and pack size to help budget-conscious buyers compare reliable replacements
Top Picks
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1
Spa replacement filter for Pleatco PRB25-IN and equivalents
Replacement spa filter with trilobal filtration fabric and 25 sq. ft. area. Provides clean water and easy installation. Customers note good value and fit
- compatible replacement models
- certified filtration material
- 25 sq. ft filtration area
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2
POOLPURE Replacement Filter for Type A or C (Pack of 6)
Replacement filter cartridge compatible with Type A/C pools and Intex filter pumps. Helps keep pool water clear and supports pump performance. Noted customer insight: good value and quality, with some fit and durability concerns
- Type A/C compatibility
- reusable after cleaning
- works with Intex pump models
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3
Pleatco PRB50-IN SPG Spa Pool Filter, 1 Cartridge
Replacement filter for pool and spa cleaning systems. 50% open ABS free flow cores maximize water flow through REEMAY media. Easy to install with durable end caps. Customer note: easy to clean and fits various spa setups
- better water flow design
- durable end caps
- easy installation
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4
POOLPURE 5CH-352 Spa Filter replacement (2-pack)
Poolpure 5CH-352 spa filter replacement with 35 sq. ft filtration and 2" MPT threads. Easy installation with top handle and screw-in design. Customers note good fit, easy cleaning, and value for money
- 35 sq. ft filtration area
- 2" MPT threads
- top handle design
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5
Type VI Spa Filter Replacement for Lay-Z-Spa & SaluSpa (Cartridge 16 Pack)
Type VI spa filter cartridge designed for Lay-Z-Spa and Coleman SaluSpa inflatables. High filtration performance using premium dacron fabric to capture hair, leaves, dust, and sediment. Customers note good value and easy cleaning, with mixed durability signals
- compatible with major inflatable spas
- premium filtration material
- easy cleaning
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6
Tier1 Spa Filter Cartridge for Jacuzzi J300/J400
Tier1 spa filter cartridge compatible with J300/J400 models. Filtration uses Trilobal Dirt-Lock fabric for cleansed water and easy installation. Customers note good value and fit, with some mixed durability feedback
- washable & reusable
- trilobal dirt-lock fabric
- high flow spa filter
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7
Type VI spa filter 12-pack for Lay-Z Spa Intex Coleman SaluSpa
12-pack Type VI spa and hot tub filters compatible with Lay-Z Spa VI, Intex VI, and Coleman SaluSpa models. Keeps water clear with dirt-locking fabric and easy installation. Customer note: good value and easy to use, though durability is mixed
- Type VI compatibility
- 12-pack for replacements
- Dirt-Locking filtration technology
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8
Spa filter for Cryspool and Jacuzzi J200 series (2 pack)
Replacement spa filter compatible with Cryspool and Jacuzzi J200 series; helps keep water clean and fits select models. Customers note good value and durability for regular replacement
- multi-model compatibility
- value two-pack
- keeps water clean
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9
TOREAD spa filter TRF-4950 replacement for C-4950
TOREAD TRF-4950 spa filter replaces Unicel C-4950 and similar models. It uses trilobal filtration fabric for 50 sq. ft. of filtration area. Customers note easy installation and durable performance across multiple cleanings
- replacement for popular filter models
- certified safe materials
- 50 sq. ft filtration area
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10
POOLPURE Replacement Filter for Type A or C (12-pack)
Replacement filter cartridge compatible with Type A or C filters. Helps keep pool water clear and supports pump performance. Customer feedback notes good value and filter quality, with some fit and durability concerns
- Type A or C compatibility
- clear water performance
- pack of 12