This is for compatible Hydrotech reverse osmosis replacement filter pack includes 1 sediment filter (compatible with model 41400008) and 2 carbon filters (compatible with model 41400009). This pack includes the 3 filters total that need to be replaced regularly in a 4 stage Hydrotech RO system. It does not include a replacement RO membrane, just sediment and carbon filters.

This is also compatible with the Microline 435 systems. Additional Details ------------------------------ Bullet point: (1) Pack of 3 filters compatible for Hydrotech RO systems and Compatible with Microline Systems|Contains 1 sediment filter and 2 carbon filters; Compatible with RS-22-CB5-EB 41400008 41400009 S7028 S7011|Fits Hydrotech 1010 1020 1030 1230 and 1240 series systems|Does NOT contain a replacement RO membrane|Cost Effective Fits 1240 Series E M Pro Systems HT101 HT102 HT103 and HT123