Compatible models: Replacement cartridges for "Super Series" faucet-mounted water purifiers. Compatible with SX606V, SX904V, SX605V, SX903V, SX902V, SX705T, SX703T, SX702T, and all Super Series main units (products with model numbers starting with SX). Supports three removal types: High removal type (STC.VJ / STC.V2J/STCV2J-Z), Trihalomethane removal type (STC.TJ / STC.T2J/STC.T2J-Z), and Chlorine/Turbidity removal type (STC.J / STC.2J). These replacement cartridges offer a wide range of compatibility to meet your needs. [This is a compatible cartridge, not a genuine product, so it does not have the "viewing window" found on genuine products.] 38-53-43