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The HydraPak 42mm Filter Cap is a lightweight, NSF-certified water filtration accessory designed for trail runners, hikers, and endurance athletes. It delivers a high flow rate of over 1 liter per minute, filtering up to 1,500 liters of water by removing 99.9999% of bacteria, parasitic cysts, and microplastics. Compatible with all 42mm HydraPak bottles, it features an easy one-handed nozzle with a protective dust cover, making it the ultimate on-the-go hydration upgrade.























| ASIN | B0BRBQRQ7N |
| Best Sellers Rank | #18,524 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #26 in Camping & Hiking Water Filters #390 in Water Coolers & Filters |
| Brand Name | HydraPak |
| Customer Reviews | 4.7 4.7 out of 5 stars (304) |
| External Testing Certification | NSF |
| Included Components | 42mm Filter Cap |
| Item Dimensions D x W x H | 1.65"D x 1.65"W x 5.1"H |
| Item Type Name | 42MM FILTER CAP |
| Item Weight | 3.99 Grams |
| Manufacturer | Hydrapak |
| Manufacturer Part Number | HYF03N |
| Manufacturer Warranty Description | Beyond Lifetime Warranty |
| Material Type | PP/POM, EPDM, Silicone, Hollow Fiber |
| Model Number | F03 |
| Number of Items | 1 |
| Product Benefits | Provides high flow rate, safe filtration removing bacteria, parasitic cysts, and microplastics, with easy usage and wide compatibility |
| UPC | 834456003236 |
| Unit Count | 1.0 Count |
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