Explorer Virus Membrane | Cartridge Colour:Blue and there's also daisy chain

and there's also daisy chain webbing for bolting on extra bits and bobs

The Abisko Softpack 16 from Fjällräven will do you for commuting

Best multi tool I’ve ever owned

keep the bottle upright

whilst the leakproof construction ensures your rucksack stays clean even when the jar takes a tumble

Explorer Virus Membrane | Cartridge Colour:Blue and there's also daisy chainVirus protection, maintained. The hollow fibre virus membrane is what elevates the Explorer Pro from microfilter to full purifier, and this is the cartridge to have on standby when it reaches the end of its rated life. Compatible with the Explorer Pro only, it's rated to filter up to 10,000 litres depending on source water quality enough for sustained expedition use before a swap is needed. Like the rest of the Explorer system, it stores dry between