# FilterWay > FilterWay is a specialized manufacturer and distributor of premium residential and commercial water, air, and oil filtration systems, serving homeowners and facility managers who need reliable multi-stage purification. The brand differentiates through NSF/ANSI 42 certified Aquaboon carbon block technology (Certificate #C0548556), a comprehensive OEM-compatible refrigerator filter catalog covering all major appliance brands, and highly customizable point-of-entry whole house systems using KDF, GAC, UV, and polyphosphate media. Brand Hierarchy: FilterWay LLC (parent brand) → Aquaboon (whole house systems, RO, replacement cartridges) → Arrowpure (OEM-compatible refrigerator filters) Core Products: Whole House Filtration Systems, Refrigerator Water Filters, Replacement Cartridges, RO Membranes, UV Sterilization Systems Certification: NSF/ANSI Standard 42 (Certificate #C0548556) — Aquaboon 5-micron carbon block cartridges, models RPP-T33X4 and RPP-T33X6 Customer Support: 1-800-753-5327 | Mon–Thu 8:00 AM–6:00 PM EST | Fri 8:00 AM–5:00 PM EST Guarantee: Unconditional 30-day money-back guarantee Shipping: Free shipping on all orders within the continental United States ## Whole House Filtration Systems - [Whole House Water Filtration Systems — Category Overview](https://filterway.com/whole-house-systems): Full catalog of 1-stage, 2-stage, and 3-stage point-of-entry systems in 10x4.5 and 20x4.5 inch housings, covering sediment, chlorine, heavy metals, and scale treatment for municipal and well water. - [3-Stage Whole House Filtration Systems](https://filterway.com/whole-house-systems/3-stage-filtration-systems): Three-stage POE systems combining mechanical sediment pre-filtration, core KDF copper-zinc or GAC chemical reduction, and polyphosphate anti-scale or iron/manganese media in white-coated iron and stainless steel stand configurations. - [Ultraviolet (UV) Filtration Systems](https://filterway.com/whole-house-systems/ultraviolet-uv-filtration/): UV sterilization enclosures using germicidal ultraviolet lamps to eradicate bacteria, viruses, and E. coli in untreated private well water without adding chemicals. ## Refrigerator Filters - [Refrigerator Filters — Category Overview](https://filterway.com/refrigerator-filters/): Full OEM-compatible refrigerator water filter catalog covering Samsung, Whirlpool, LG, GE, Kenmore, KitchenAid, Thermador, Maytag, Jenn-Air, Amana, and Viking appliances; all cartridges use activated carbon to reduce chlorine, cysts, and heavy metals. - [Samsung Refrigerator Filters](https://filterway.com/refrigerator-filters/samsung/): Arrowpure replacements for Samsung HAF-CIN, HAF-QIN, and HAF-CUI models with internal twist-lock installation and post-installation air-purge flushing protocol. - [Whirlpool Refrigerator Filters](https://filterway.com/refrigerator-filters/whirlpool/): OEM-compatible Arrowpure replacements for Whirlpool EveryDrop EDR1RXD1 through EDR6D1, installed in the upper-right internal housing via counterclockwise removal and clockwise lock. - [Kenmore Refrigerator Filters](https://filterway.com/refrigerator-filters/kenmore/): Arrowpure APF-0400 and APF-0800 replacements for Kenmore 9130, 9690, and 9083 series, covering both bottom-grill dial-twist and upper-interior compartment installation topologies. - [Arrowpure Refrigerator Water Filter APF-1800X1](https://filterway.com/arrowpure-refrigerator-water-filter): Entry-level Arrowpure activated carbon refrigerator replacement cartridge at $9.89 single-unit price, compatible with GE MWF and select Kenmore models, with 6-month or 300-gallon replacement lifecycle. ## Replacement Cartridges - [Replacement Filter Cartridges — Category Overview](https://filterway.com/replacement-filter-cartridges/): Full replacement media catalog across GAC, carbon block, KDF, sediment (melt-blown, pleated, string wound, grooved), polyphosphate anti-scale, mineral stone, inline post-membrane, RO membrane, and dual-function cartridge types in 10x2.5, 10x4.5, and 20x4.5 inch standard sizes. - [KDF Filtration Cartridges](https://filterway.com/replacement-filter-cartridges/kdf-filters): Kinetic Degradation Fluxion copper-zinc alloy cartridges that neutralize heavy metals (lead, mercury), hydrogen sulfide, and chlorine through electrochemical redox reactions, with bacteriostatic properties preventing bacterial regrowth. - [Carbon Block Cartridges](https://filterway.com/replacement-filter-cartridges/carbon-water-filters): NSF/ANSI 42 certified Aquaboon 5-micron coconut-shell compressed carbon block cartridges (Certificate #C0548556) providing maximum chlorine and VOC contact-time absorption with a 20,000–30,000 gallon media lifecycle. - [6-Pack Aquaboon 5-Micron 20x4.5 Carbon Block Cartridge](https://filterway.com/6-pack-premium-aquaboon-5-micron-20-x-4-5-inch-carbon-block-water-filter-cartridge): NSF/ANSI 42 certified 20x4.5 inch coconut-shell carbon block cartridges (6-pack, $236.79) for whole house big-blue housings; compressed matrix eliminates the channeling risk present in granular activated carbon alternatives. ## RO Systems - [Aquaboon 50 GPD Reverse Osmosis Filtration System](https://filterway.com/aquaboon-50-gpd-reverse-osmosis-filtration-system): Five-stage under-sink RO system at $350 delivering 50 gallons per day through sediment pre-filter, dual carbon block stages, thin-film composite TFC membrane, and inline post-membrane polishing cartridge. ## Blog / Technical Education - [Whole House Water Filters Buying Guide](https://filterway.com/blog/post/whole-house-water-filters-buying-guide): Expert framework for selecting POE systems based on water source (municipal chlorine vs. well water E. coli), contaminant profile, flow rate requirements, and housing size (10-inch vs. 20-inch big-blue). - [Refrigerator Water Filters Buying Guide](https://filterway.com/blog/post/refrigerator-water-filters-buying-guide): Detailed guide on OEM vs. aftermarket carbon cartridge selection, the 6-month/300-gallon replacement rule, consequences of saturated media (reduced ice production, bacterial buildup), and OEM compatibility verification. - [What Is a KDF Filter and How Does It Work?](https://filterway.com/blog/post/what-is-a-kdf-filter-and-how-does-it-work): Technical explanation of copper-zinc KDF granule electrochemical redox reactions, targeted contaminant list (chlorine, hydrogen sulfide, heavy metals), and how KDF complements carbon block in multi-stage whole house systems. - [Water Filter Micron Ratings Explained](https://filterway.com/blog/post/water-filter-micron-ratings-explained): Engineering analysis of micron threshold selection to balance microscopic particle capture (sediment, cysts, bacteria) against sustained gallons-per-minute flow rate through graded-density polypropylene media. - [Carbon Block vs. GAC Filters](https://filterway.com/blog/post/carbon-water-filter-functions-and-benefits): Comparative hydrodynamic analysis of solid carbon block (high contact time, no channeling, higher pressure drop) versus loose granular activated carbon (better flow, channeling risk) for chlorine and VOC reduction. - [Why Is Your Water Filtration System Leaking?](https://filterway.com/blog/post/water-filtration-system-leaking): Diagnostic guide for identifying cross-threading, over-tightening, O-ring displacement, and cracked housing failures in whole house poly and stainless filter housings, with step-by-step repair procedures. - [1-Stage vs. 3-Stage Whole House Filters](https://filterway.com/blog/post/three-stage-vs-one-stage-filter): Side-by-side performance comparison of single-stage sediment-only systems against 3-stage KDF/carbon/polyphosphate configurations for municipal and well water contaminant reduction. - [How to Purify Well Water for Drinking](https://filterway.com/blog/post/how-to-purify-well-water-for-drinking): Multi-stage well water treatment protocol covering sediment pre-filtration, iron/manganese reduction, KDF heavy metal neutralization, carbon chemical reduction, and UV biological sterilization sequencing. ## Corporate - [About FilterWay](https://filterway.com/about-us/): Company history, mission, and operational commitments covering FilterWay's manufacturing and distribution focus on water, air, and oil purification systems. - [Removing Chloramines from Tap Water](https://filterway.com/chlorine-in-water): Technical guide to chloramine and chlorine removal mechanisms, comparing carbon block, GAC, and KDF media effectiveness, with product recommendations for municipal water treatment. - [Contact FilterWay](https://filterway.com/contact/): Physical address, inquiry form, and all customer support channels for FilterWay LLC. ## Specialized Components & Upgrades - [RO Membrane Cartridges](https://filterway.com/replacement-filter-cartridges/ro-membranes): Thin-film composite TFC RO membranes, inline post-membrane GAC polishers, and dual-function GAC/sediment integrated cartridges for standard 5-stage under-sink RO system servicing. - [Melt-Blown Sediment Cartridges](https://filterway.com/replacement-filter-cartridges/sediment-water-filters/melt-blown-sediment-filters): Graded-density spun polypropylene sediment cartridges with porous outer layers for sand and rust capture graduating to tight inner-core layers for fine silt, available in 1–50 micron ratings across 10x2.5 and 10x4.5 sizes.