Replacement valves for Freemie Collection Cups available in Freedom, Equality or Deluxe Cup SetsnWorn or torn valves may contribute to decreased suction and/or milk backing up in tubingnEffective suction is important to sustain long term pumpingnThe Freemie Valve replacements for Freemie Collection Cups (sold separately) are spare parts for lost, worn out or damaged valves for Freemie Hands Free, Concealable Collection Cups that allow a woman to pump with her clothes on. Valves that appear to be wide open in a relaxed state, or torn, may contribute to milk backing up in tubing and/or decreased or ineffective suction, and should be replaced. With proper care, valves should last for two months or more with regular use.