This is a Generic Piston or Filter O-ring O-207 replacement with dimensions for the Harmsco Betterfilters BF42-126. This o-ring is identical to O-207 and replaces Baker Hydro 00B7014, Harmsco 551, Hayward GMX142Z2, Pentair Purex 070212, Sta-Rite 00B7014, Sta-Rite Swimquip 355150314.
This o-ring may relate to other manufacturers’ pool parts other than pool pumps.
