Aqua-Pure AP101T / AP101S and the CUNO CFS01T / CFS01 Valved Head models feature the Built-in shut-off valve with pressure relief buttons are are made from FDA CFR-21 Compliant Materials.The “T” and “S” suffix designates either a Transparent (clear) or Solid (opaque) sump housing. Valve-In-Head designs relieves pressure for convenient cartridge changes: Turn to shut off water, then remove housing from head assembly.

Need a Replacement Filter Cartridge? Order the compatible Neo-Pure MBG-25098-05 sediment filter here.

Note: Clear Housing Sumps are more prone to leaking and cracking, and are not as resilient as their opaque counterparts. They may be significantly less able to handle high pressure, temperature, exposure to sunlight, and other stress. We highly recommend considering a black, blue, white, or grey opaque housing sump, especially if your system is operating under high pressure or temperature conditions. offers heavy duty polypropylene filter housings in a variety of sizes and colors.