Whole House Systems: Whole House Housing; UltraFiltration Systems; UltraViolet (UV) Systems; High Temperature Housings; Filter Bag Vessels; Automatic Filters & Softeners

Drinking Water Systems: Reverse Osmosis (RO); Under Sink; Countertop; Faucet Mount; Water Coolers

Point of Use Systems: Refrigerator Filters; Shower Filters; Inline Filters; Washing Machine Filters; Pitcher Filters; Bath Filters

Specialty Systems: RV / Marine; Camping / Emergency; Sport Bottle / Water Bottle; Garden & Hose Filters

Commercial/Industrial/Municipal: Commercial Filtration; Commercial RO Systems; Industrial and Wastewater Treatment

See All Filtration Systems >

Whole House Cartridges: 5" x 2.5" Filters; 10" x 2.5" Filters; 10" x 4.5" Big Blue Filters; 20" x 2.5" Filters; 20" x 4.5" Big Blue Filters; 30" x 2.5" Filters; 40" x 2.5" Filters; Empty Refillable Cartridges; Housing Caps (Top); Housing Sumps (Bottom)

Point of Entry: Whole House Cartridges; UltraFiltration Replacements; UltraViolet (UV) Lamps; High Temperature Cartridges; Filter Bags; Water Treatment Media & Resin

Drinking Water Systems: Reverse Osmosis Filters; Reverse Osmosis Membranes; Under Sink Cartridges; Countertop Cartridges; Faucet Mount Cartridges

Point of Use Systems: Refrigerator; Shower Filters; Inline Filters; Washing Machine Filters; Pitcher Filters

Specialty Systems: RV / Marine; Camping / Emergency; Sport Bottle / Water Bottle

See All Replacement Filters >

General: Faucets; Fittings & Plumbing Parts; Leak Controllers; Mounting Brackets; O-Rings & O-Ring Lubricant; Spanner Wrenches; Shower Heads and Accessories; Tubing & Tube Cutters; Valves

Whole House Housing: Cartridge Couplers; Housing Caps (Top); Housing Sumps (Bottom); Pressure Relief Button Kits; Water Treatment Media & Resin

Reverse Osmosis: Auto Shut-Off Valves; Drain Saddles; Flow Restrictors; Membrane Housings; Valves; Water Pumps; Tanks

Inline, Countertop, Under Sink: Diverter Valves; Inline Filter Clips

Testing & Monitoring: Water Monitoring; Water Test Kits

See All Parts & Accessories >

Browse Top Water Filter Brands WaterFilters.NET Brand

Water Treatment and Water Filtration Brands

Browse Brands Alphabetically

See All Filter Brands >

GE Water Filters

No Brands Found.

Young Living Water Filters

ZeroWater Water Filters

Common Water Problems in City Water: Sediment (Fine Sand and Rust); Hardness (White Residue on Fixtures); Chlorine Taste & Odor; Chloramine; Chromium; High Alkalinity; MTBE; Fluoride; Lead; Taste & Odor

Common Water Problems in Well Water: Sediment (Fine Sand and Rust); Hardness; Nitrates & Nitrites; Hydrogen Sulfide (Rotten Egg Smell); Bacteria (For example, E.Coli); Pesticides & Herbicides; Cysts (Cryptosporidium and Giardia); Iron; Lead; Manganese; Taste & Odor; Turbidity; VOCs

See All Contaminants >

Water Filter Applications: Agricultural & Livestock; Allergies; Apartments; Aquariums; Aviaries; Aviation; Babies; Backpacking; Beer Making; Breweries; Bottled Water Plants; Cafes; Car Washes; Catering; Coffee Shops; Contractors; Convention Centers; Cooling; Dental Offices; Dishwashers; Distilleries; Espresso; Farm Irrigation; Fish Farms; Food Service

Water University: Water University Home; Evaluate Your Water; Choose Your Filter; Water Filtration Videos

Resources: Blog; Forum; FAQ; Glossary; Site Map

See All >

WaterFilters.NET: About Us; Contact Us; BookMark; Installation; Water Charity

Ordering Questions: How to Order; Order Form (Fax, Mail); Clearance Center; Check your Cookies

Account Features: Create Account; My Account; Reorder; FREE Reminders; Auto-Ship Program

Policies: Low Price Guarantee; Terms & Conditions; Shipping Policy & Rates; Returns & Exchanges; Privacy & Security

See All >

Water Filters for Charity (How do we afford donations on all orders?)

About Us | Videos | My Account | Contact Us | Help?

0 item(s) $0.00

1-888-801-PURE(7873)
M - F 7am - 6pm CST

Home > Water Filter Brands > WaterFilters.NET Water Filters > WaterFilters.NET 20 x 4.5 Inch Replacement Filters

WaterFilters.NET 20 x 4.5 Inch Replacement Water Filters

The WaterFilters.NET 20 x 4.5 Inch filter can be used in all #20 Big Blue or #20 Big Boy housings.Select your WaterFilters.NET 20 x 4.5 Inch Replacement Water Filter below. WaterFilters.NET 20 x 4.5 Inch Replacement Cartridges have different specifications. Choose the WaterFilters.NET 20 x 4.5 Inch Replacement Water Filter that meets your specific requirements. Email customerservice@waterfilters.net if you cannot find your WaterFilters.NET water filters.

WaterFilters.NET 20 x 4.5 Inch Replacement Filters (Total Products: 5)

	WaterFilters.NET CBC-20BB-WF Water Filter 20" x 4.5"; 0.5 Micron

	WaterFilters.NET EP5-20BB-WF Carbon Block Water Filter 20" x 4.5"; 5 micron

	WaterFilters.NET GAC-20BB-WF Carbon Water Filter 20" x 4.5"; 20 micron Purchase the alternate Pentek GAC-20BB

	WaterFilters.NET KDF55-20BB-WF Water Filter 20" L x 4.5" W; KDF-55 4 LB KDF

	WaterFilters.NET KDF85-20BB-WF Water Filter 20" L x 4.5" W; KDF-85

Ordering Information How to Order Order Form (Fax, Mail) Clearance Center Auto-Ship Program Popular Searches	Account Information Create Account My Account Order Status Reorder FREE Reminders	Website Policies Low Price Guarantee Terms & Conditions Shipping Policy & Rates Returns & Exchanges Privacy & Security	Company Information About Us Contact Us BookMark Customer Testimonials Affiliate Program Careers

Partners & Affiliations