Nothing is safer or easier to use for purifying the most demanding backcountry water sources than the MSR Guardian Purifier Pump. Originally designed for military squads, it brings this highly advanced technology to global travellers, backcountry users, and those stocking emergency kits. Fast and easy to use, this pump purifier offers the added viral protection you need when traveling in developing nations and popular wilderness areas. Its advanced hollow fibre filter offers the most reliable way to purify even filthy water conditions. Add its long-lasting performance and revolutionary self-cleaning ease, and this may be the only treatment device you’ll ever need.
Ultimate Protection: Meets NSF protocol P248, testing standard used by U.S. military, for removal of viruses, bacteria, protozoa, and sediment from “worst-case” water conditions.
Fast & Easy: Pumps a rapid 2.5 litres per minute, offering added viral protection without the need for chemicals, bulbs, batteries, or waiting.
Self-Cleaning: Pump self-cleans on every stroke, providing consistently fast flow rates with zero hassle—no backflushing or filter-scrubbing ever required.
Long-Lasting: Leading-edge hollow fibre cartridge treats up to 10,000+ litres.
Extremely Durable: Engineered to withstand heavy use, freezing, drops*, and harsh environments.
Please note: As our dispatch team will not be operating over the Easter long weekend, there will be a slight delay in dispatching our online orders. Please allow an extra few business days for your order to be dispatched, and you will receive an email confirmation as soon as it has. We thank you for your patience!
1. Standard Delivery (3 to 5 Days) £4.50 (FREE when you spend £50 or more)
2. Priority DPD Local Next Working Day from £6.50 (£2.99 when you spend £75 or more)
3. Royal Mail 24 (1-3 Days) £4.50 (£1.99 when you spend £75)
5. Royal Mail Saturday Delivery £8.99
6. International Shipping Rates (Click Here)
For the exact delivery cost simply add any desired items in to the Shopping Basket and select [See More Delivery Options] below the Sub Total. Rates above apply to UK Mainland, rates for shipping heavy or bulky items to the Scottish Highland areas, or locations of the UK Mainland, may be higher. International shipping rates shown at this stage are estimated and we may need to contact you to confirm the shipping rate before your order is accepted.
View our full UK Delivery or Returns/Exchanges information