Generic O-Ring [9-3/8" ID x 1/4" Cross Section] (90-423-6142) deltauv Installing the correct Pentair/Letro hose

Installing the correct Pentair/Letro hose can help restore cleaner performance and improve confidence in the feed-line assembly

even though the surrounding wall body may still be serviceable

surface cleaning can feel less consistent than it should

it helps restore cleaner stream control and a more confidence-inspiring seat feel

A full set can be the smarter long-term solution for rebuilding the internal structure that supports DE media and proper filtration flow

Generic O-Ring [9-3/8" ID x 1/4" Cross Section] (90-423-6142) deltauv Installing the correct Pentair/Letro hoseThe Generic 90 423 6142 O ring is designed for compatible sealing applications and features a 9 3 8 inch inside diameter with a 1 4 inch cross section. A seal like this is useful because it restores a larger O ring interface in assemblies where the original ring has worn down or no longer maintains a reliable seal. Larger O rings are commonly found in tank lids, housings, and other broad sealing surfaces where even pressure around the circumference