Filter Overview All Products x Applications All Outdoor 230 Marine 88 Sailboats 19 Powerboats 15 Commercial Boats 2 Survival at Sea 4 Tactical 78 Emergency Preparedness & Relief 171 Humanitarian Aid 101 Commercial 50 Solutions Water 88 Brands Katadyn 20 Micropur 4 Spectra Watermakers 64 Water Source Salt Water 10 Tap Water 4 Group Size 1 2 2-5 6 > 10 3 Usage daily 1 often 2 rarely 5 Operation hand-operated 2 manually 2 powered 24 Find Spare Part Marine Freedom to explore. With the Katadyn and Spectra brands, the Katadyn Group has decades of experience in energy-efficient desalination. In addition to a full line of systems for boats of all sizes, our product range also includes manually operated, portable desalinators for emergency use. Projects & Case studies 2,500 Hour SP-20 Pearson Pump Rebuild Kit All Seals for Rebuilding an SP-20 Pearson Pump discover 2,500 Hour SP-5 Pearson Pump Rebuild Kit All Seals for Rebuilding an SP-5 Pearson Pump discover 2.5x20 Replacement Membrane Kit New Membrane and Seals Included in Kit discover 2.5x40 Replacement Membrane Kit New Membrane and Seals Included in Kit discover 20 Micron Filter Element Protect Pump and Membranes by Replacing Filter Cartridge Regularly discover 4x40 Replacement Membrane Kit New Membrane and Seals Included discover 5 Micron Filter Element Protect Pump and Membranes by Replacing Filters Regularly discover Commercial 20 Micron Filter Element Protect Pump and Membranes by Replacing Filters Regularly discover Commercial 5 Micron Filter Element Protect Pump and Membranes by Replacing Filters Regularly discover Commercial Charcoal Filter Element Protect Pump and Membranes by Replacing Filters Regularly discover Mag Vane Feed Pump Replacement Feed Pump Head discover Mag5 Drive Vane Pump 240, 250 PSI Replacement Feed Pump Head discover 2 3 4 5 6