GRAYL
Grayl GeoPress® Replacement Purifier Cartridge
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Grayl GeoPress® Replacement Purifier Cartridge
High-Capacity Filter for Global Water Purification in Field Conditions
The Grayl GeoPress® Replacement Purifier Cartridge provides powerful, fast, and reliable filtration and purification for international travel, remote deployments, and survival operations. Designed to neutralize threats in suspect water sources—from hotel taps in less developed regions to silty streams in austere environments—it ensures your team stays hydrated and protected across every mission.
Built for the Mission
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Proven Global Protection – Removes 99.99% of viruses, 99.9999% of bacteria, and 99.9% of protozoan cysts including Rotavirus, Hepatitis A, Norovirus, E. coli, Giardia, and Cryptosporidium.
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Advanced Contaminant Removal – Filters sediment and microplastics, and adsorbs heavy metals, PFAS, VOCs, pesticides, herbicides, and unpleasant tastes or odors using ultra-powdered activated carbon.
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Fast Press Time – Produces 24 oz of clean water in just 8 seconds (5L/min flow rate), even in challenging environments.
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One-Way Valve Compatible – Allows safe use with electrolyte drink mixes, critical for rehydration in hot climates or operational deployments.
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Rugged & Reliable – Each cartridge is rated for 350 presses (65 gal / 250L) and continues to function safely as press time increases, with a 10-year shelf life when stored properly.
How to Use
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Remove the used cartridge by unscrewing it counterclockwise from the GeoPress Inner Press.
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Install the new cartridge by aligning and rotating clockwise until fully locked in place.
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Press as normal to produce purified drinking water.
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If using drink mixes, insert One-Way Valve prior to use.
Specifications
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Compatibility: Fits all GeoPress® bottles
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Active Technology: Electroadsorption + ultra-powdered activated carbon
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Removes:
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Viruses (99.99%)
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Bacteria (99.9999%)
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Protozoa (99.9%)
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Contaminants: sediment, microplastics, PFAS, VOCs, pesticides, herbicides, heavy metals
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Flow Rate: 8 seconds per 24 oz (5L/min)
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Cartridge Lifespan: 350 presses / 250L (replace when press time exceeds 25–30 sec or after 3 years)
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Shelf Life (Unopened): 10 years
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Size: 2.9" H × 3.1" W (7.3 × 7.8 cm)
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Weight: 3.8 oz (108 g)
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Materials: ABS food-grade plastic, food-grade silicone
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Chemical-Free Operation: Yes
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Tested To: NSF/ANSI 42 & 53, EPA Microbiological Purifier Standard
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Origin: Cartridge media made in USA; cartridge assembled in China
This is a mission-ready replacement cartridge for the Grayl GeoPress system—trusted by professionals operating in compromised environments where water quality is a critical variable. Maintain your filtration capability with full-spectrum pathogen and contaminant removal you can count on.
Product information
Stay Ready Outdoors — Return & Refund Policy
Last Updated: February 27th, 2026
At Stay Ready Outdoors, we stand behind the quality of our products and want you to be completely satisfied with your purchase. If you need to return an item, please review our policy below.
Returns
We offer a 30-day return policy, meaning you have 30 days from the date you receive your item to request a return.
Return Eligibility
To qualify for a return, your item must be in like-new condition, meeting the following criteria:
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Unworn, unwashed, and with all original tags and stickers still attached
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Free of any scents like perfume, cologne, or smoke
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Free of any marks, stains, or pet hair
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In its original packaging, including all accessories
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Must include proof of purchase (receipt or order number)
How to Start a Return
To initiate a return, email us at info@stayreadyoutdoors.com with your order details. Once approved, you’ll receive return instructions and a prepaid shipping label.
For standard parcel items:
The cost of return shipping will be deducted from your final refund.
For oversized or freight items:
Return shipping is the customer’s responsibility (see Oversized and Freight Item Returns below).
Important: Items sent back without prior approval will not be accepted.
Return Address
Stay Ready Outdoors
ATTN: Returns
15236 Las Flores Ave
La Mirada, CA 90638
Oversized and Freight Item Returns
Due to the size, weight, and freight handling requirements of certain products, free or prepaid return shipping does not apply to oversized or heavy items.
This includes, but is not limited to:
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Rooftop tents
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Pro Eagle jacks
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Large recovery equipment
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Freight-shipped or oversized products
Important details:
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Customers are responsible for return shipping costs on these items unless the product arrives damaged, defective, or incorrect.
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Original outbound shipping charges (if any) are non-refundable.
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Freight returns must be properly packaged and may require coordination with Stay Ready Outdoors support.
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Items must be returned in new, unused condition with original packaging and all components.
Stay Ready Outdoors reserves the right to determine whether an item qualifies as oversized or freight-required based on weight, dimensions, or carrier requirements.
Damaged, Defective, or Incorrect Items
Please inspect your order upon arrival. If your item is damaged, defective, or incorrect, contact us at info@stayreadyoutdoors.com within 7 days so we can evaluate and resolve the issue promptly.
Non-Returnable Items & Exceptions
Some items are non-returnable, including:
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Briefs (due to hygiene reasons)
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Sale items (these sales are final)
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Gift cards
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Engraved or customized items
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Perishable goods (e.g., food)
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Personal care items (e.g., hygiene or beauty products)
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Hazardous materials (e.g., flammable liquids or gases)
Food or Drink Products — All Sales Final
Due to the nature of long-term food storage, all sales on food or drink products are final. We do not accept returns or exchanges on food or drink products for any reason including incorrect order, change of mind, or shipping delays.
Replacements will only be issued in the event of a verified manufacturing defect or shipping damage, which must be reported within 5 days of delivery with supporting photo documentation.
Products Fulfilled via Shopify Collective
Some items sold by Stay Ready Outdoors are fulfilled by third-party vendors through Shopify Collective. These items follow slightly different return procedures:
Return Window
Returns must be initiated within 30 days of the purchase date.
Who Handles the Return
Returns and exchanges for these products are handled directly by the originating business. However, you may contact Stay Ready Outdoors at info@stayreadyoutdoors.com for assistance facilitating a return or exchange.
Customer Responsibility for Shipping Costs
Shipping cost responsibility varies by vendor. Some vendors offer free returns or exchanges, while others may require customers to pay return shipping.
Size Exchanges
If a return is for a size exchange only, the replacement item will be shipped once the original is received and inspected, following the vendor’s policy.
Refunds
If a refund is approved after inspection, the originating business will notify Stay Ready Outdoors and the refund will be processed to the original payment method.
Price Changes
Prices for Shopify Collective products are subject to change without notice.
Vendor-Specific Note
The Buffalo Wool Company
Items fulfilled by The Buffalo Wool Company through Shopify Collective follow the same return procedures listed above. Customers are responsible for return shipping costs unless otherwise stated by the vendor.
All other eligibility requirements and non-returnable item restrictions in our standard policy still apply unless otherwise stated.
Exchanges
The fastest way to exchange an item is to initiate a return for the original item and, once accepted, place a new, separate order for the desired item.
European Union Customers — 14-Day Cooling-Off Period
If your order was shipped to the European Union, you have the right to cancel or return it within 14 days of delivery for any reason.
To be eligible, items must be unused, with original tags and packaging, and include proof of purchase.
Refunds
Once we receive and inspect your return, we will notify you of approval. If approved, your refund will be issued to the original payment method within 10 business days, less applicable return shipping costs.
Please note:
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Your bank or credit card company may require additional time to post the refund.
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If you have not received your refund within 15 business days of approval, contact info@stayreadyoutdoors.com.
Need Help?
If you have any questions about your return or refund, we’re here to help:
Email: info@stayreadyoutdoors.com




