The Thirsty Nomad Refillable1 micron Bore Water & Sediment Tank Fill Filter - to treat Bore Water. The Thirsty Nomad pack of 2 1 micron Bore Water & Sediment Cartridges - that will last you up to 9,000 litres. The Thirsty Nomad "5 in 1" Purifier for Permanent Installation in your van with all fittings. 2 x 1/4" (6mm) Push Fittings, 2 x 12mm Push Fittings. 2 x Nylon 1/2" BSP thread purifier end fittings. When used as a complete system, with our Bore Water & Sediment Pre-Filter your "5 in 1" purifier should last you a lot longer than just 7,500 litres. Especially designed to treat Australia's Bore Water and then Purify (not just filter, but PURIFY) the water in your van - for your peace of mind on the road.