Platypus
DayCap In-Bottle Filter
DayCap In-Bottle Filter
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Description |
The Platypus DayCap™ In-Bottle Filter seamlessly converts your favorite wide-mouth water bottle into a high-performance water filtration system. Compatible with Nalgene®, Hydro Flask®, and Yeti® Yonder™ bottles, this innovative cap utilizes hollow fiber technology to deliver a flow rate of up to 1 liter per minute, ensuring quick and safe hydration on the go .
Designed for simplicity and efficiency, the DayCap™ allows you to drink naturally without the need for squeezing or sucking. If the flow rate decreases, a simple shake of the bottle cleans the filter and restores performance . The cap features a flip-up, leak-free spout, a semi-flexible carry loop for easy attachment, and can be used in cap-only modewhen filtration isn't needed .
Features & Specs |
- Compatibility: Fits Nalgene®, Hydro Flask®, and Yeti® Yonder™ wide-mouth bottles
- Filtration Technology: Hollow fiber membrane with 0.2-micron pore size
- Flow Rate: Up to 1 liter per minute
- Filter Life: Up to 1,000 liters
- Effective Against: Removes 99.9999% of bacteria and 99.9% of protozoa, including Giardia, Cryptosporidium, E. coli, Salmonella, and Cholera
- Cleaning Method: Shake-to-clean functionality
- Materials: Durable TPE mold construction
- Weight: Approximately 2.6 oz (74 g)
- Dimensions: 7.1 cm (W) x 9.9 cm (L) x 10.6 cm (H)
- Made in: USA with domestic and imported materials
Usage Tips & Compatibility |
- Ideal for: Day hikes, backpacking, travel, and emergency preparedness
- Maintenance: Regularly shake the bottle to clean the filter and maintain optimal flow rate
- Versatility: Use in cap-only mode when filtration isn't required



