Wilden Diaphragm used in 1.5" Pumps, FKM
DIAPHRAGM, PRIMARY, VITON
Genuine Wilden Spare Part, FKM. Diaphragm used in 1.5" Clamped/Bolted Metal/Plastic Pumps. Note: Maximum Temperature for Primary Diaphragms Dependent on Material of Backup Diaphragm or O-ring.