




GRAYL
Grayl GeoPress® Replacement Purifier Cartridge

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: September 22, 2025
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 crquarto@stayreadyoutdoors.com with your order details. Once approved, you’ll receive return instructions and a prepaid shipping label. The cost of return shipping will be deducted from your final refund.
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
Damaged, Defective, or Incorrect Items
Please inspect your order upon arrival. If your item is damaged, defective, or incorrect, contact us at crquarto@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:
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Return Window – Returns must be initiated within 30 days of the purchase date.
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Who Handles the Return – Returns and exchanges for these products are handled directly by the business from which the product originated. However, please do not hesitate to contact Stay Ready Outdoors at crquarto@stayreadyoutdoors.com if you need help facilitating a return or exchange — we’re happy to assist.
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Customer Responsibility for Shipping Costs – Shipping cost responsibility for returns and exchanges varies by vendor. Some vendors offer free returns or exchanges, while others may require customers to pay return shipping.
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Size Exchanges – If a return is for a size exchange only, the replacement item will be shipped back to the customer once the original is received and inspected, following the vendor’s policy.
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Refunds – If a refund is due after inspection, the originating business will notify Stay Ready Outdoors and the refund will be processed back to the customer’s original payment method.
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Price Changes – Prices for products fulfilled via Shopify Collective are subject to change without notice.
Vendor-Specific Note:
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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 the cost of shipping items back for return or exchange.
All other eligibility requirements and non-returnable item restrictions in our standard policy still apply unless otherwise stated above.
Exchanges
The fastest way to exchange an item is to initiate a return for the original item and, once the return is accepted, place a new, separate order for the item you want.
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 its approval. If approved, we will issue a refund to your original payment method within 10 business days, less the cost of return shipping.
Please Note:
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It may take additional time for your bank or credit card company to process and post the refund.
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If you haven’t received your refund within 15 business days of our approval, please contact us at crquarto@stayreadyoutdoors.com.
Need Help?
If you have any questions about your return or refund, we’re here to help:
📧 Email: crquarto@stayreadyoutdoors.com