Check the listing for details. HYDRO LOGIC STEALTH RO150 REPLACEMENT FILTER PACK- 150 GPD MEMBRANE RO 150. Condition: New. Listed at 50.02 USD. All filters are BRAND NEW and sealed NEW 2 Filter COMPATIBLE/REPLACEDMENT Set - Hydro Logic Stealth RO 300 Replacement Carbon, Sediment Filter and RO Membranes (NOT ORIGINAL) Package Includes: (1PC) Stealth RO Carbon Block Filter - This filter contains activated carbon, a substance that has a surface area of over a football field per gram. This filter purifies water beyond what most home filters are capable of, yet it is only a pre filter for the Stealth's advanced RO membrane. (1PC) Stealth RO Sediment Filter - This filter removes large and medium sized debris from your water source. It is the first filter in the system and should be replaced regularly. (1 PC) Stealth RO HF 150 GPD RO Membrane Filter - The RO HF Membrane filters water down to the microscopic level, allowing nothing bigger than a water molecule through. REMEMBER THESE ARE NOT ORIGINAL AND WILL FIT AND WORK JUST LIKE THE ORIGINALS