Alternative 5 micron RV Unit	Single RV Water Filtration Unit. Comes with a 5 micron carbon cartridge (Replacement Part Code - A-AC5{420}), a housing spanner, bracket and a silver cannister (Replacement Part Code - SSC10 {702}). Comes with 1/2" BSP fittings. This unit uses the 'Alternative' sanitisation medium. QTY: