Osmio D7 Reverse Osmosis Replacement Filter PackThe Osmio D7 6 Monthly Filter Replacement Pack for the Osmio D7 Reverse Osmosis System. Contains: 1 x PP Sediment 5 Micron 1 x GAC 10 Granular Activated Carbon Filter 1 x PP Sediment 1 Micron 1 x Alkaline Filter Operating Parameters Temperature: Min 4C, Max 38C Pressure: Min 35psi, Max 80 psi Directions for use: place cartridge in an appropriate housing. Flush for a minimum of 10 minutes prior to use. Only use with water which is microbiologically