Collection: RO Replacement Filters
Reverse Osmosis Replacement Filters for Clean and Efficient Water Filtration
RO Replacement Filters are essential for maintaining the performance and purity of your reverse osmosis water filtration system.
Regular filter replacement ensures effective removal of chlorine, heavy metals, sediment, and dissolved solids while keeping your drinking water clean and fresh.
Our collection includes high-performance reverse osmosis replacement filters, RO membrane replacements, and multi-stage RO filter cartridges designed for long-lasting filtration efficiency.
Maintain your system performance with reliable reverse osmosis replacement filters designed for safe and consistent drinking water filtration.
Better Water for Everyday Life
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Tier1 20 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek ECP20-BB, Hydronix SPC-45-1020, 255491-43 | 4.5 x 10 Water Pre-Filter
Regular price $30.65Regular price -
Tier1 50 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek R50-BB, 155053-43, SPC-45-1050 | High Flow 4.5 x 10 Water Pre-Filter (3-Pack)
Regular price $58.79Regular price -
Tier1 5 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek CP5-BB, Culligan CP5-BBS-D, CP5-934, W5CPHD | 4.5 x 10 Water Filter (6-Pack)
Regular price $97.99Regular price -
Tier1 5 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek CP5-BB, Culligan CP5-BBS-D, CP5-934, W5CPHD | 4.5 x 10 Water Filter
Regular price $29.81Regular price -
Tier1 30 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Cartridge | Replacement for Pentek R30-BB Water Filter, 155101-43, RS6, SPC-45-1030 | 4.5x10 High Flow Pre-Filter (4pk)
Regular price $79.79Regular price -
Tier1 50 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek R50-BB, 155053-43, SPC-45-1050 | High Flow 4.5 x 10 Water Pre-Filter
Regular price $32.19Regular price -
Tier1 20 Micron 10 Inch x 4.5 Inch | 4-Pack Pleated Whole House Sediment Water Filter Replacement Cartridge | Compatible with Pentek ECP20-BB, Hydronix SPC-45-1020, 255491-43, Home Water Filter
Regular price $74.19Regular price -
Tier1 5 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek CP5-BB, Culligan CP5-BBS-D, CP5-934, W5CPHD | 4.5 x 10 Water Filter (3-Pack)
Regular price $58.79Regular price -
Tier1 50 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek R50-BB, 155053-43, SPC-45-1050 | High Flow 4.5 x 10 Water Pre-Filter (4-Pack)
Regular price $67.19Regular price -
Tier1 5 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek CP5-BB, Culligan CP5-BBS-D, CP5-934, W5CPHD | 4.5 x 10 Water Filter (2-Pack)
Regular price $42.97Regular price -
Tier1 5 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek CP5-BB, Culligan CP5-BBS-D, CP5-934, W5CPHD | 4.5 x 10 Water Filter (4-Pack)
Regular price $76.99Regular price -
Tier1 50 Micron 10 x 4.5 Water Filter | Pleated Polyester Whole House Sediment Filter Cartridge | Replacement for Pentek R50-BB, 155053-43, SPC-45-1050 | High Flow 4.5 x 10 Water Pre-Filter (2-Pack)
Regular price $43.39Regular price -
ICEPURE 5 Micron 10" x 2.5" Whole House String Wound Sediment Water Filter Cartridge for Well Water, Replacement for Aqua-Pure AP110, WP-5, CFS110, Culligan P5, WFPFC4002, CW-MF, 2 PACK
Regular price $25.19Regular price -
American Plumber W30W Whole House Sediment Filter Cartridge (2-Pack)
Regular price $30.79Regular price -
50 GPD RO Membrane Filter Replacement, Reverse Osmosis Membrane Element 11.75" x 1.75" Water Filter Replacement for Undersink Home Drinking RO Water Filtration System
Regular price $13.99Regular price -
Max Water 5 Micron Replacement Water Filter Set 10” x 2.5” Sediment & Carbon Block (PP + CTO), 12 Pack
Regular price $71.33Regular price -
Max Water 5 Micron Replacement Water Filter Set 10” x 2.5” Sediment & Carbon Block (PP + CTO), 10 Pack
Regular price $62.93Regular price -
Airthereal RO Replacement Filter for Pristine Pro6H Countertop Water Filter System - RO Membrane Sourced from DOW, 2nd Stage - Reduces Heavy Metals such as Lead, Mercury, Cadmium, Arsenic, 1-Pack
Regular price $39.19Regular price -
Airthereal ALK Replacement Filter for Pristine Pro6H Countertop Reverse Osmosis Water Filter System, Alkaline Mineralization Filter Cartridge - pH Balance and Restore Minerals, 1-Pack
Regular price $39.19Regular price -
Airthereal PCB Replacement Filter for Pristine Pro6H Countertop Reverse Osmosis Water Filter System - 1st Stage to Reduces large particles, chlorine, colors and odors, 1-Pack
Regular price $48.99Regular price -
Airthereal RO Replacement Filter for Pristine Lite3 Countertop Reverse Osmosis System, RO Membrane Sourced from DOW, 2nd Stage, Reduces Heavy Metals such as Lead, Mercury, Cadmium, Arsenic, 1-Pack
Regular price $69.99Regular price -
CT100-RO Replacement Filter | 𝐑𝐞𝐯𝐞𝐫𝐬𝐞 𝐎𝐬𝐦𝐨𝐬𝐢𝐬 RO Filter Cartridge for CT910/C5/CT910G Series | 100GPD 12-24 Months | NSF/ANSI372,42,58, Reduce TDS PFAS (CT100-RO)
Regular price $97.99Regular price -
Hydronix HX-SWC-45-1020/3 Universal Whole House Sediment String Wound Water Filter Cartridge 4.5 inch x 10 inch - 20 micron - 3 Pack, White
Regular price $50.39Regular price -
WECO VGRO Under Sink High Efficiency 75 Gallons Per Day Reverse Osmosis Drinking Water Filtration System with Installation Kit (VGRO-75)
Regular price $406.48Regular price -
T33 Inline Coconut Grade Activated Carbon Pre/Post Membrane Filter for Taste and Odor Reduction WELL-MATCHED with AICRO, K2533JJ, FT15, IC-100A (Set of 2)
Regular price $26.59Regular price -
PP10BB 5 Micron 4.5" x 10" Filter Set – Sediment Replacement Cartridges for Whole House Water Filtration Systems, Universal Standard PP Filters (6, 10 x 4.5)
Regular price $69.99Regular price -
T33 Inline Coconut Grade Activated Carbon Pre/Post Membrane Filter for Taste and Odor Reduction
Regular price $17.49Regular price -
Replacement Filter Set 41400008/41400009 Compatible for Hydrotech Reverse Osmosis System, without membrane
Regular price $41.85Regular price -
PP20BB 5 Micron 2.5" x 20" Filter Set – Sediment Replacement Cartridges for Whole House Water Filtration Systems, Universal Standard PP Filters (6, 20 x 2.5)
Regular price $55.99Regular price -
Geekpure 5 Stage Reverse Osmosis Replacement Filter Set with 100 GPD Membrane -10 Inch
Regular price $63.81Regular price -
Aquatic Life RO Buddie Reverse Osmosis Replacement Filter Set - Inline Carbon Block Filter, Sediment Cartridge and 100 GPD Membrane for RO/RODI Water Filter System Units
Regular price $75.35Regular price -
PP10 5 Micron 2.5" x 10" Filter Set – Sediment Replacement Cartridges for Whole House Water Filtration Systems, Universal Standard PP Filters (6, 10 x 2.5)
Regular price $34.99Regular price -
PP10BB 5 Micron 4.5" x 10" Filter Set – Sediment Replacement Cartridges for Whole House Water Filtration Systems, Universal Standard PP Filters (4, 10 x 4.5)
Regular price $48.99Regular price -
5 Micron Water Filter 10" x 2.5", 10-inch Whole House Sediment Pre-Filters for Well & Municipal water, Replacement Cartridge for FXWPC, EQ-PFC35, ECP5-10, S1, 3WH-STDPL-F02, SPC-25-1005, 6-Pack
Regular price $36.39Regular price
See the Difference in Your Water — Instantly
Hard water, chlorine, and hidden contaminants can affect your health, skin, and appliances.
Our advanced filtration system removes impurities and delivers clean, safe water throughout your entire home.
Feel the difference in every drop — from your kitchen to your shower.
Experience the difference clean, softened water makes in your daily life — from healthier skin to better tasting drinking water.
👉 Softer skin and smoother hair with every shower.
👉 Prevent scale buildup and keep your appliances running efficiently.
👉 Softer, brighter clothes that last longer with every wash.
FAQ
Strategic Partner
Water Filtration & Home Water Guide
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Reverse Osmosis vs Water Filter — Which Is Better?
Not sure if you need Reverse Osmosis or a standard water filter? Learn the real differences, what each system removes, and how to choose the best option for your home.
Reverse Osmosis vs Water Filter — Which Is Better?
Not sure if you need Reverse Osmosis or a standard water filter? Learn the real differences, what each system removes, and how to choose the best option for your home.
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Do I Really Need a Water Filter at Home?
Wondering if your home needs a water filter? Learn how to check your water quality, compare filter types, and choose the right system for safer, better-tasting water.
Do I Really Need a Water Filter at Home?
Wondering if your home needs a water filter? Learn how to check your water quality, compare filter types, and choose the right system for safer, better-tasting water.
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7 Signs You Have Hard Water in Your Home
Water quality plays an important role in everyday life. From drinking water to showering and washing dishes, the type of water flowing through your home affects comfort, cleanliness, and even...
7 Signs You Have Hard Water in Your Home
Water quality plays an important role in everyday life. From drinking water to showering and washing dishes, the type of water flowing through your home affects comfort, cleanliness, and even...
