TWIN CARAVAN WATER FILTER SYSTEM. USA made twin caravan water filter system for easy filling of your tanks anywhere anytime on your caravan, boat or motorhome. The caravan twin system comes complete with strong stainless steel bracket, all metal joining nipple and 2 x hose connecters and 1 x 0.5 micron poly spun pre filter and 2nd stage 1 x Multipure 0.4 micron carbon block cartridge. Upgrade to a cleanable 0.2 micron doulton ceramic sterasyl cartridge and snd stage carbon block in the checkout below. Recommended 12 monthly change for all filters. Remove from your drinking and shower water, chlorine, dirt and sediment, rust, slime, algea, bacteria, giardia, cryptosporidium, heavy metals such as lead, pesticides, herbicides and more. All you do to filter your water with this system is connect to any standard garden hose and fill your tanks etc in no time with clean, fresh, pure water. 10 inch cartridges and system. Free postage Australia Wide or visit our showroom. 1300 255 345.