Hundreds of pool filter explosions have been reported. Here are examples:

1982: filter lid “blew apart” and flew 30 feet;

1983: filter had “pressure induced” explosion;

1983: filter lid “shot up” 10 feet;

1985: filter “blew off” into man’s face;

1985: filter lid exploded into pool technician’s face;

1985: filter lid exploded into man’s face; pool-equipment manufacturer’s employee said that over previous 10 years, about nine lawsuits had been filed where exploding filter lid injured someone;

1986: filter lid exploded into victim’s face;

1986: Consumer Product Safety Commission reported “three [illegible] showing essentially the same accident scenario. Operator disassembles and [illegible] air, reassembles filter, observes a pressure build-up, reaches over the filter [illegible] shut-off switch and the filter explodes injuring the service person or owner”;

1989: filter lid blew into victim’s head, fracturing his skull;

1990: filter blew into man’s head, leaving him in semi-comatose state;

1991: filter lid blew into woman’s head, killing her;

1993: filter lid blew into man’s head;

1994: filter exploded, blinding victim and causing brain damage;

1998: filter lid blew off, flew seven feet and hit man’s face.

1998: two-piece filter top blew off into 67-year-old man’s face, knocking him unconscious;

2004: two-piece cartridge filter lid split open, forcing high-pressure water out the top;