Generic O-Ring [9-3/8" ID x 1/4" Cross Section] (90-423-6142) deltauv A full set can be

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

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

Replacing only the damaged half helps preserve more of the original equipment while keeping the repair focused and efficient

even though the surrounding wall body may still be serviceable

This type of part is especially useful when the original rotating head is worn

Generic O-Ring [9-3/8" ID x 1/4" Cross Section] (90-423-6142) deltauv A full set can beThe 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