Lasco Replacement Rubber Diaphragm, designed to repair Fluidmaster 400A ballcocks. Crafted from durable black rubber, this diaphragm ensures a long-lasting performance. It is compatible with both 200A and 400A Fluidmaster ballcocks, making it a versatile solution for your plumbing needs.
- Replacement rubber diaphragm
- For repairing 400A Fluidmaster Ballcocks
- Made of black rubber
- Carded








