Caravan Single Under Sink Snapseal Water FilterCompact, highly effective, proven performer. Suitable for under sink installation in a caravan or camper. When space is hard to come by, this unit is less than 35cm in length and slots right in under the sink beside your vans tap plumbing or can snip inline from the campers hose plumbing. The single under sink system will improve the quality of your drinking water from tanks and town water supplies at caravan parks or campgrounds around Australia.