Big Blue 20 inch Water Filter-BasideWT

The Big Blue 20 inch Water Filter is a standard-sized filtration system designed for high-flow rate and extended service life. This versatile housing is built to accommodate a wide range of standard 20″ x 4.5″ filter cartridges, making it ideal for both whole-house and commercial applications. Therefore, it provides a flexible and reliable solution for improving water quality in various settings, reflecting the brand’s commitment to durability and performance.

Product Overview

The Big Blue 20 inch Water Filter is a large-capacity filtration vessel, specifically engineered to hold a single 20-inch long filter cartridge. It is commonly used in residential, commercial, and light industrial settings for applications such as sediment removal, carbon filtration, and water softening pre-filters. Its primary function is to provide superior water treatment by allowing for greater contaminant retention and longer intervals between cartridge changes. This system is a cornerstone of effective Big Blue 20 inch Water Filter setups.

Key Features and Benefits

• High Flow Capacity: Supports large water volumes for whole-house and industrial systems.
• Durable Construction: Reinforced polypropylene housing resists corrosion and pressure.
• Universal Fit: Compatible with all standard 4.5″ x 20″ filter cartridges.
• Leak-Proof Design: Heavy-duty O-ring and thick threads ensure secure sealing.
• Easy Maintenance: Quick cartridge replacement for convenient servicing.

Who We Are

Why Choose BasideWT

Choosing BasideWT means choosing quality, reliability, and professional water treatment expertise. As a trusted global manufacturer of water filtration components, BasideWT delivers advanced solutions that ensure long-term system performance and customer satisfaction.

Professional Manufacturing Experience
With years of experience in water treatment system production, BasideWT is known for precision engineering and strict quality control. Every Big Blue 20 Inch Water Filter is manufactured using premium-grade materials and tested for pressure, leakage, and durability before shipment.
Superior Product Quality
BasideWT filters are built to withstand high-pressure operation and extended service life. Our reinforced housings, corrosion-resistant components, and precision threads ensure leak-proof performance under various conditions.
OEM & Customization Services
We support OEM branding, custom pressure ratings, and tailored housing colors or fittings. This flexibility allows our partners to adapt to different market demands and branding strategies.

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Technical Specifications

Applications and Use Cases

This filter system is incredibly versatile. Specifically, its use cases can be grouped by scenario:

• Residential: Perfect as a whole-house sediment filter or a pre-filter for RO systems and water softeners, protecting appliances and improving taste.
• Commercial: Used in restaurants, cafes, and laundromats to ensure consistent water quality, protect equipment, and reduce scale buildup.
• Agricultural & Industrial: Provides pre-filtration for irrigation systems and cooling towers, preventing clogging and extending the life of sensitive components.

Why Choose the Big Blue 20 Inch System?

Why should you trust this specific fiberglass pressure vessel alternative? Interestingly, the value goes beyond the product itself. We ensure rigorous quality control, and our brand brings over a decade of expertise in the water treatment industry. Furthermore, we offer comprehensive customer support, reliable after-sales service, and even OEM/ODM capabilities for bulk or customized orders.

Related Products / You May Also Like

• Big Blue 10 inch Water Filter Housing
• Sediment Filter Cartridges for Big Blue Housings
• Whole House Water Filtration Systems

Installation and Maintenance Tips

Proper setup and care are straightforward. First, ensure the system is installed on a cold water line and is easily accessible for service. Before first use, always flush the system and check for leaks. How do you maintain it? Simply replace the inner cartridge every 6-12 months, or as indicated by a pressure drop, to maintain optimal performance and water quality.

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Water Treatment Accessories Selection Guide

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Whole House Water Filter

UV Sterilizers

RO Membrane

Water Filter Housings

Water Filter Cartridge

Control Valves

Water Distributor

Brine Tanks

Ion Exchange Resins

Water Pressure Gauge

Whole House Water Filtration System

The Whole House Water Filtration System – BasideWT is designed to deliver comprehensive water purification for residential and light commercial applications. Installed at the main water line, it filters all incoming water, ensuring every tap — from the kitchen to the bathroom — provides clean, fresh, and safe water.

Whole-Home Protection: Filters all water entering your house, ensuring clean water from every outlet.

Multi-Stage Filtration Options: Choose from sediment, carbon block, or specialty filters for targeted contaminant removal.

Durable Housing Design: Reinforced polypropylene or stainless steel body for long-term reliability.

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UV Sterilizers

UV sterilizers provide an advanced, chemical-free solution for disinfecting water by using ultraviolet (UV-C) light to inactivate harmful microorganisms. Designed for high efficiency and long-lasting operation, these sterilizers ensure safe, pure, and biologically clean water for residential, commercial, and industrial water treatment systems.

Powerful Disinfection Performance

High-Quality Quartz Sleeve Protection

Smart Monitoring and Safety Features

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RO Membrane

Reverse Osmosis (RO) Membranes are advanced filtration elements designed to remove a wide range of dissolved impurities from water by applying pressure to force water molecules through a semi-permeable membrane. These membranes are critical components in RO systems, delivering high-purity water for residential, commercial, and industrial applications.

High Rejection Rate

Advanced Thin-Film Composite (TFC) Technology

Energy Efficient and High Flux Performance

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Water Filter Housings

BasideWT water filter housings are durable, high-performance enclosures designed to hold filter cartridges securely and ensure efficient water purification across various applications. Engineered with precision and corrosion-resistant materials, these housings provide reliable protection for the filtration media while maintaining consistent flow and pressure throughout the system.

High Pressure and Temperature Resistance

Transparent and Opaque Options

Easy Installation and Maintenance

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Water Filter Cartridge

BasideWT water filter cartridges are the core components of water filtration systems, responsible for removing suspended solids, chlorine, odors, organic matter, and other contaminants from water. Engineered with precision and made from high-quality filtration media, these cartridges ensure clean, safe, and great-tasting water for residential, commercial, and industrial applications.

High-Efficiency Filtration Performance

Multiple Filter Media Options

Versatile Applications

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Control Valves

Regulate flow direction, pressure, and operational cycles within filtration and softening systems.
Choose between manual, semi-automatic, or fully automatic valves depending on system complexity and maintenance needs.

Multiple Operation Modes

Durable and Corrosion-Resistant Materials

User-Friendly Interface

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Water Distributor for FRP Tanks

The water distributor is a crucial internal component of BasideWT FRP tanks, designed to ensure even water distribution and efficient utilization of the filter media during operation. A well-engineered distributor system maximizes filtration efficiency, prevents media channeling, and extends the service life of the tank and filter media.

Uniform Water Distribution

High-Quality Materials

Top and Bottom Distributor Design

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Brine Tanks

BasideWT brine tanks are essential components in water softening systems, designed to store and prepare the salt solution (brine) used for regenerating ion exchange resin in softeners. Engineered with high-quality materials and user-oriented design, these tanks ensure consistent brine concentration, reliable regeneration cycles, and long-term durability.

Durable and Corrosion-Resistant Construction

Integrated Salt Grid and Brine Well Design

Multiple Capacity Options

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Ion Exchange Resins

BasideWT ion exchange resins are high-performance polymer beads designed for efficient removal of hardness ions, dissolved salts, and contaminants in water treatment systems. They play a vital role in processes such as water softening, demineralization, and deionization, ensuring high water purity and system reliability.

High Exchange Capacity

Uniform Bead Size Distribution

Safe and Certified Materials

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Water Pressure Gauge

A Water Pressure Gauge is an essential instrument used to measure and display the pressure of water within a system. It helps ensure optimal operating conditions and prevents damage to pumps, filters, or pipes caused by excessive or insufficient pressure. BasideWT offers high-quality gauges designed for both residential and industrial water treatment applications.

Provides precise readings for consistent system monitoring.

Suitable for various water systems, including RO units, softeners, and filtration setups.

Easy-to-read scale with psi and bar units for universal use.

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Frequently Asked Questions

What is the lifespan of a filter in this housing?
The lifespan depends on water quality and usage, but a Big Blue 20 inch Water Filter cartridge typically lasts 6 to 12 months, offering a much longer service life than smaller filters.

How to choose the right filter cartridge for my Big Blue housing?
First, identify your primary water concern. Is it sand and rust? Choose a sediment cartridge. Is it chlorine taste? A carbon block cartridge is the ideal solution.

Can this system be used for well water?
Yes, absolutely. It is highly effective as a primary sediment filtration stage for well water, protecting your plumbing and downstream equipment from particulates.

What size fittings does the Big Blue 20 inch housing use?
Most Big Blue housings feature 1-inch or 1.5-inch inlet and outlet ports, allowing for high water flow and minimal pressure drop.

What maintenance does a Big Blue 20 inch water filter require?
Regularly monitor pressure drop to know when the filter needs replacement.Inspect O-rings and lubricate them with food-grade silicone during each cartridge change.Periodically sanitize the housing to prevent bacterial buildup.