Replacement 1-high Transparent Sump Housing fits Valved Head systems Aqua-Pure AP101T, CFS01TLG and Heads with Pressure Relief Button AP11T and Cuno CFS11T. It is recommended that the o-ring be swapped out annually, and anytime the sump is replaced. The o-ring for the sump can be found here, or in the accessory section on the right.

Housing Compatible Cartridges: 2-1/2" to 3" OD x 9-3/4" length (standard size).

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. Fresh Water Systems offers heavy duty polypropylene filter housings in a variety of sizes and colors.