There are 19 pieces of 2.5 in. (industrial Standard) filter cartridges included in this genuine ISPRING filter pack, make it the convenient 1 year supply for ISPRING RCC7AK, RCC7PAK, and most other reverse osmosis water filtration systems in the market that use Standard 2.5 in. The same as ISPRING water filter systems, these filter cartridges have been tested by independent third-party to meet NSF/ANSI Standard for material safety, durability and filtration performance - guaranteed to perform and last for the best. Choose ISPRING genuine filter pack for the quality, value and your peace of mind.
Number of filters included: 19. Water Filtration System Type: Reverse Osmosis.
Replacement Filter Type: Reverse Osmosis Replacement Filters. Filtration Method: Activated Carbon, Alkaline or Calcite, CTO, Carbon Block, GAC, Hollow Fiber Membrane, Sediment.