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Portable Press Water Filter Bottle

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Product Details

Product Overview

01
Product Name Portable Press Water Filter Bottle

A manually operated water filtration bottle designed for camping, hiking, backpacking, fishing, travel, and emergency preparedness.

Filtration Method Manual Press Filtration

Fill the outer bottle with freshwater and press the inner bottle downward to move water through the integrated filter.

Total Bottle Capacity 800 ml / 27 fl oz

The total capacity of the assembled outer and inner bottle structure.

Total Capacity
Filtered Water Capacity 500 ml / 17 fl oz

Approximately 500 ml of filtered water can be collected inside the inner press bottle after filtration.

Clean Water Capacity
Bottle Materials PP, ABS and Silicone

A reusable bottle structure made with lightweight materials suitable for portable outdoor carrying.

Power Requirement No Electricity Required

The bottle operates through manual downward pressure with no batteries, charging, pump, or electrical connection.

Bottle Structure Outer Refill Bottle and Inner Press Bottle

The outer bottle holds source water while the inner bottle receives filtered water as it is pressed downward.

Recommended Water Sources River, Stream, Rain, Spring and Well Water

Use the clearest available freshwater source whenever possible for smoother pressing and longer filter life.

Freshwater use only: The filtration system does not remove salt. Do not use the bottle to filter seawater or other high-salinity water sources.

3-Stage Filtration System

02

Three Filtration Materials in One Compact Bottle

As the inner bottle is pressed downward, source water passes through PP cotton, coconut shell activated carbon fiber, and a hollow fiber ultrafiltration membrane before entering the clean-water chamber.

Complete Filter Structure Integrated 3-Stage Filtration

Three filtration materials work together inside the bottom of the inner press bottle.

PP Cotton Carbon Fiber 0.01 μm UF
Stage 01 PP Cotton

Acts as the first filtration layer to help intercept sediment, suspended particles, soil, and other visible impurities.

Pre-Filtration Sediment Reduction
Stage 02 Coconut Shell Activated Carbon Fiber

Helps reduce unpleasant taste, odor, chlorine, and certain chemical impurities for a more enjoyable drinking experience.

Taste Improvement Odor Reduction
Stage 03 0.01 μm Hollow Fiber UF Membrane

Provides high-precision physical filtration through a medical-grade hollow fiber ultrafiltration membrane.

0.01 μm Physical Filtration
Filtration note: The filtration system is designed to help reduce bacteria, parasites, turbidity, sediment, unpleasant taste, odor, certain heavy metals, and chemical impurities found in freshwater sources. Performance may vary depending on source water quality and filter condition.

Key Product Indicators

03
Filtration Precision 0.01 μm Minimum

Hollow fiber ultrafiltration membrane designed for high-precision physical filtration.

Rated Filter Capacity Up to 10,000 L / 2,641 Gallons

Actual filter life may vary depending on water quality, sediment level, frequency of use, and maintenance.

Filtration Speed Approximately 6 Seconds per 16 fl oz

The rated flow is approximately 4.7 liters per minute under suitable operating conditions.

Filtered Water Capacity Approximately 500 ml

The inner press bottle holds the filtered water after the pressing process is completed.

Product Weight 15.87 oz / 450 g

A portable manual filtration system designed for outdoor carrying and emergency storage.

Product Dimensions 10.6 in × 3.15 in

Approximately 27 cm in height with an 8 cm diameter at the base.

Shelf Life Up to 5 Years

Store the unused product in a clean, cool, ventilated, and dry location.

Best For Camping, Hiking, Travel and Emergencies

Suitable for outdoor adventures, international travel, fishing, preparedness kits, and uncertain freshwater access.

How to Use

04

Ready. Fill. Press. Drink.

The manual pressing design filters freshwater directly inside the bottle without electricity, batteries, pumping equipment, or a separate collection container.

1
Ready Raise the Inner Press Bottle

Hold the outer bottle securely and pull the inner press bottle upward to prepare the system for filling.

2
Fill Collect Freshwater

Fill the outer refill bottle with the clearest available river, stream, rain, spring, or well water.

3
Press Press Down Slowly and Steadily

Position the inner bottle correctly and apply steady downward pressure as water moves through the filter.

4
Drink Enjoy the Filtered Water

Open the drinking lid after pressing and drink directly from the clean-water chamber.

Pressing tip: Press the inner bottle downward using controlled, even pressure. Avoid forcing or striking the bottle. Water with heavy sediment may require more pressure and can reduce the flow rate.

Care & Maintenance

05
Wash the Bottle Before First Use

Hand-wash the outer refill bottle and inner press bottle with warm, soapy water before using the product for the first time.

Do Not Use Soap on the Filter

Never wash the filter cartridge with soap, detergent, bleach, or other chemical cleaning agents.

Rinse the Filter with Clean Water

The filter may be gently rinsed with clean water when needed. Do not scrub or use abrasive cleaning materials.

Remove Residual Water

After each use, remove as much water as possible from inside the filter and bottle components.

Allow the Filter to Air-Dry

Let the filter dry completely in an open, cool, well-ventilated place before reassembly or long-term storage.

Prevent Unpleasant Odors

Storing the filter while it is still wet may cause odor. Always dry the internal filter thoroughly after use.

Watch for Reduced Water Flow

The cartridge will become increasingly difficult to press as it reaches the end of its usable filtration capacity.

Replace the Filter When Needed

Replace the cartridge when water flow stops, pressing becomes unusually difficult, or the rated filtration capacity is reached.

Storage note: After cleaning and drying, reassemble the inner press bottle and outer refill bottle. Store the product with the cap in place in a clean, cool, ventilated, and dry location away from direct sunlight.
User Guide
Installation Guide

How to Set Up Your Countertop Gravity Water Filter System

Follow these simple steps to assemble the system, install the core filters, flush before first use, and prepare it for daily use.

Prepare and Clean the Parts

Before assembly, check the main parts and clean the system components.

  • 1
    Wash Your Hands Handle the system with clean hands before setup.
  • 2
    Check Included Parts Make sure the chambers, lid, spigot, stand, and core filters are ready.
  • 3
    Clean Before Assembly Rinse the chambers and accessories before first use.
Note: Use cold or room-temperature water only. Do not use hot water.

Assemble the Lid Knob

Attach the lid knob to the lid and secure it with the included hardware.

  • 1
    Place the Lid Knob Insert the lid knob into the center hole of the lid.
  • 2
    Add Washer and Gasket Place the washer and gasket in the correct position.
  • 3
    Tighten the Screw Fasten the knob until it feels stable.
Tip: Do not overtighten. The lid knob should feel secure but not forced.

Install the Basic Spigot

Install the basic spigot into the lower chamber before stacking the system.

  • 1
    Insert the Spigot Place the spigot through the lower chamber hole with the gasket and washer.
  • 2
    Add the Inside Parts Place the remaining washer and gasket from the inside of the chamber.
  • 3
    Tighten the Hex Nut Use the wrench to secure the spigot vertically.
Before filling: Make sure the spigot is closed to help prevent leaking.

Install the Core Filters

Use the required number of core filters for your system model.

  • 1
    Insert the Core Filters Place the core filters through the holes in the upper chamber.
  • 2
    Secure the Filters Use the filter washer and wing nut to hold each core filter in place.
  • 3
    Check Stability Make sure each core filter is firmly installed before adding water.
Note: This guide uses “core filters” only. Filter type and quantity may vary by system option.

Stack the Chambers and Stand

Set the system together in the correct order before flushing.

  • 1
    Attach the Anti-slip Mat Place the anti-slip mat on the bottom of the lower chamber.
  • 2
    Place the Lower Chamber on the Stand Set the lower chamber securely on the stand.
  • 3
    Add the Upper Chamber and Lid Place the upper chamber into the lower chamber, then cover it with the lid.
Stability check: Make sure the system sits flat and stable before filling water.

Flush Before First Use

Flush the system before drinking water from it for the first time.

  • 1
    Fill the Upper Chamber Add water and let it move through the core filters.
  • 2
    Discard the First Batch Pour out the first filtered water from the lower chamber.
  • 3
    Repeat 2–3 Times After flushing, the system is ready for regular use.
Tip: Fill the upper chamber as much as possible at the beginning to support gravity-fed filtration.
System Type Countertop Gravity System
Filter Reference Core Filters
First Use Flush 2–3 Times
Water Temperature 40°F–100°F / 4–37°C
How It Works

How the Filter System Works

Water is added to the upper chamber and moves through the center filter by gravity. After filtration, water collects in the lower chamber and is ready to dispense from the spigot.

1. Fill the Upper Chamber

Add water to the top chamber. The system works without electricity, plumbing, or pressure.

2. Gravity Moves Water Through the Filter

Water naturally flows downward through the center filter element, where the filtration process takes place.

3. Filtered Water Collects Below

After passing through the filter, water collects in the lower chamber for storage and daily use.

4. Dispense When Needed

Open the spigot to pour filtered water for drinking, cooking, or everyday hydration.

Filter Replacement

Filter Replacement Guide

Replacing filters on time helps your filtration system keep working properly. It also helps maintain water flow, drinking water taste, and everyday use confidence.

!
Track Usage Time & Filter Life

Filter life may vary by water quality, usage frequency, and total water volume filtered.

Rated Filter Life Reached

Replace the filters when they reach the rated lifespan listed for your filter model.

Water Flow Becomes Slower

If filtering takes much longer than usual, clean or replace the filters as needed.

Taste or Odor Returns

If unwanted taste or smell becomes noticeable again, it may be time to replace the filters.

Source Water Matters

Rain, river, stream, or well water may shorten filter life compared with regular tap water.

What to Check Before Replacing Filters
Confirm Compatibility

Choose filters that match your filtration system, filter series, and setup.

Prepare New Filters

Prime, rinse, or flush new filters according to the product instructions.

Check Seals & Washers

Make sure washers, seals, and threaded parts are installed correctly.

Clean the System

Empty and clean the upper and lower chambers before installing new filters.

Replace Sets Together

If your system uses paired filters, replace matching filters together when needed.

Record the Date

Write down the replacement date and set a reminder based on your usage.

Filter & System Replacement Checklist

Use this checklist to choose the right replacement filter for your Purewell system and check whether it may also fit select compatible systems from other brands.

Filter Category Filter Type Fits Purewell Systems Other Compatible Systems
K Series Carbon Filters (Pro) Core Filter SS Series and K Series filtration systems. Select ProOne Big+ / Big II and Berkey BB9-2 style systems.
K Series Carbon Filters Core Filter SS Series and K Series filtration systems. Select ProOne Big+ / Big II and Berkey BB9-2 style systems.
K Series Carbon Filters (Classic) Core Filter SS Series and K Series filtration systems. Black Berkey Elements style systems and select Berkey gravity systems.
K Series Ceramic Filters Core Filter SS Series and K Series filtration systems. Most gravity-fed systems from major brands, including Berkey, ProOne, Alexapure, Waterdrop, Doulton, Boroux, Culligan, and more.
SS Series Square Carbon Filters Core Filter SS Series and K Series filtration systems. Select ProOne Big+ / Big II and Berkey BB9-2 style systems.
SF Series Multi-Functional Filter Core Filter SF Series filtration systems. Select Zero pitchers and dispensers.
BO Series Unique Compound Filter Core Filter BO Series filtration systems only. Not intended for K Series, SS Series, or other gravity filtration systems.
K Series Specialty Add-On Filters Supplemental Filter Use together with K Series or SS Series core filters. Select Travel, Big, Royal, Imperial, Light, and Crown Berkey models as an additional filter option.
Filter replacement frequency directly affects the service cycle of your filtration system. Timely replacement helps support water flow, filtration performance, drinking water taste, and long-term system reliability. Actual filter life may vary based on source water quality, usage frequency, and total water volume filtered.
List

System Package

Main parts included for the countertop gravity water filter system.

  • Upper Chamber× 1
  • Lower Chamber× 1
  • Lid× 1
  • Anti-slip Mat× 1
  • Stand× 1
  • User Manual× 1

Basic Spigot Parts

Parts used to install the basic stainless steel spigot.

  • Basic Spigot× 1
  • Spigot Gasket× 2
  • Beveled Washer× 2
  • Spigot Hex Nut× 1
  • Wrench× 1
  • Screwdriver× 1
  • Plastic Spigot× 1
  • Silicone Plug× 1

Selected Filter Package

Your package includes the BO Series Carbon Filters selected with this system. The filter option may vary based on your product selection.

  • Selected Filters SF Series Core Filter
  • Package Quantity 1 Box / 1 Filter
  • System Use Install One Filter Only
Note: The final filter type is based on the filter option selected before checkout.
Video

2.25 Gallon Water Filter System Installation Video

Watch this step-by-step guide to set up your Purewell 2.25 gallon water filter system and install the filter element in the correct position before first use.

Installation Guide

2.25 Gallon System Setup & Filter Placement

This video shows how to assemble the Purewell 2.25 gallon water filter system, including how to place and install the filter element properly for daily filtration.

Recommended before first use Helps confirm correct filter placement Covers basic system setup and assembly Useful when installing or replacing the filter element

NSF Certified for Your Health

Independently tested to meet NSF/ANSI 42 & 372 standards, the highest level of trust in water filtration.

Lead-Free Guarantee (NSF/ANSI 372)
Certified lead-free materials to keep your water worry-free.

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