This cartridge pack contains all the cartridgesyou need to do the cartridge change, when you are changing the RO membrane as well.
The pack contain:1 x PP-10A, Stage1, Sediment cartridge, at $9.951 x CTO-10B, Stage2, Block carbon cartridge, at $11.951 x UDF-10A, Stage3, Carbon filled cartridge, at $11.951 x ULP-1218-50, Stage4, Standard RO membrane, at $50.001 x T-33A, Stage5, In line carbon filter, at $19.95
Total value $103.80